Infrared Crew Socks
Infrared Crew Socks
Experience all‑day comfort, recovery and performance—KYMIRA® Infrared Crew Socks boost circulation, enhance warmth, reduce foot pain and fatigue, and support recovery, from long runs and hikes to long days on your feet. . . .
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Colour
Payment options available.
Easy returns.
Payment options available.
Easy returns.
KYMIRA® Infrared Crew Socks
Performance • Endurance • Recovery • Hiking • Wellness
Description
The KYMIRA® Infrared Crew Socks are engineered for athletes, hikers, travellers, and anyone who spends long days on their feet. Powered by KYMIRA’s patented infrared (FIR) textile technology, these socks convert body heat into beneficial infrared energy that supports circulation, oxygen delivery, energy production, and temperature regulation—all foundational for foot comfort, endurance and recovery.
The crew version delivers all‑day softness, breathability, micro‑cushioning, and a supportive technical knit, making them ideal for hiking, distance walking, long work shifts, coaching, gym training, cold‑weather sport, and wellness applications such as plantar fasciitis discomfort and foot‑fatigue management.
Infrared socks are proven to enhance blood flow and warmth, helping maintain dexterity and muscle compliance in cooler conditions—similar to KYMIRA’s infrared gloves which show circulation‑boosting and thermoregulatory benefits.
FIR‑emitting textiles have shown measurable increases in tissue oxygenation (tcPO₂) of ~5–8% within 30–90 minutes in placebo‑controlled trials, supporting foot comfort and metabolic efficiency under load.
Technology: KYnergy® Infrared
KYMIRA’s KYnergy® fabric embeds ceramic minerals into every thread. These minerals absorb body heat and re‑emit it as far‑infrared light (6–14 µm), a clinically studied wavelength range that stimulates:
1. Nitric oxide–mediated vasodilation (improved circulation)
Increases in transcutaneous oxygen (tcPO₂) by 5–8% in real human studies
2. Enhanced mitochondrial activity (ATP production) for energy
3. Reduced physiological cost at steady work intensities (greater efficiency)
4. Moisture‑management & micro‑temperature stability (up to 63% longer warmth retention and 65% faster drying)
These biological effects support comfort, endurance, injury resilience, and faster recovery.
Key Benefits
1. Performance & Endurance
- Elevated microcirculation & oxygenation enhance muscle efficiency in the feet, arch and lower leg.
- More stable movement patterns from reduced fatigue and improved energy turnover.
- Thermoregulating warmth for winter training, cold‑morning hikes and wet‑weather sessions.
- Moisture‑wicking, quick‑dry knit keeps feet dry during long distances.
Whether you're sprinting, coaching, or climbing hills, the socks keep your feet energised, supported and ready for sustained output.
2. Recovery Acceleration
- FIR increases oxygen delivery during the post‑exercise window (30–90 minutes), supporting tissue repair.
- Faster clearance of lactate & metabolic waste, reducing next‑day heaviness.
- Supports reduced DOMS, inflammation and soreness, consistent with FIR recovery studies.
Ideal for post‑training recovery, long days on your feet, and between back‑to‑back sessions.
3. Injury‑Prevention Support
- Enhanced foot circulation helps maintain muscle and tendon compliance, reducing cold‑related tightness.
- FIR’s effects on mitochondrial & angiogenic signalling may support long‑term strengthening and adaptation.
- Efficient oxygenation supports proper muscle firing and lowers fatigue‑related compensation patterns that can contribute to ankle, arch or Achilles strain.
4. Hiking, Trekking & Long-Distance Walking
For multi‑hour or multi‑day hikers, the Infrared Crew Socks offer:
- Steady circulation under prolonged load → reduced swelling and “hot‑spot heaviness.”
- FIR warmth + fast‑dry for comfort across altitude, cold mornings and damp conditions.
- Cushioned heel/toe for blister reduction and stride comfort.
- Freshness retention: Mineral fibres naturally help reduce bacterial proliferation, supporting odour resistance and long‑wear freshness (consistent with FIR textile behaviour across socks/gloves).
- All‑day foot endurance ideal for trekking, rambling, mountain travel and trail adventures.
5. Long Days on Your Feet (Work, Coaching, Physio, Hospitality, Healthcare)
- Continuous infrared stimulation supports circulation and swelling reduction during extended standing.
- Thermoregulation stabilises comfort through temperature fluctuations.
- Cushioned knit helps reduce impact stress across long shifts.
- Ideal for coaches, teachers, medical staff, warehouse, hospitality, and S&C professionals.
6. Wellness & Foot‑Health Applications
The FIR‑driven circulation and oxygenation benefits support comfort for:
- Plantar fasciitis discomfort
(improved circulation + warmth may ease stiffness on first steps and long walks)
- Foot pain & arch fatigue
(oxygenation + micro‑cushioning support improved comfort)
- Neuropathy‑related cold sensation
(more consistent warmth + micro‑circulation improvements)
- Heel pain, Achilles tightness, calf stiffness
(FIR vasodilation and thermoregulation help maintain tissue compliance)
- General foot‑health & recovery routines
(soreness reduction and faster tissue oxygenation support)
Construction Features
- Technical infrared‑emitting knit
- Cushioned heel & toe for impact absorption
- Soft, breathable, moisture‑wicking yarns
- Ribbed cuff for secure hold
- Arch support band
- Natural odour‑resistance from mineral‑embedded fibres
- Seamless toe to reduce friction
Applications
- Performance & Training
- Running, cycling, court sports, pitch workouts, gym sessions, HIIT, coaching.
- Hiking & Outdoor
- Trekking, hill walking, backpacking, trail running, adventure travel.
- Recovery
- Post‑run/post‑gym regeneration, soreness reduction, calf/foot recovery in rehab phases.
- Travel & Everyday
- Long‑haul flights, commuter days, all‑day standing, temperature‑variable environments.
- Everyday comfort, and thermoregulation
Use Protocol
Prepare (Before Activity)
Wear 30–90 minutes pre‑exercise to encourage improved circulation and tissue readiness.
Perform (During Activity)
Use throughout training or hiking to stabilise temperature, maintain oxygenation and reduce fatigue.
Recover (After Activity)
Wear 1–4 hours post‑exercise to support metabolic clearance and reduced soreness.
Travel / Daily Use
Ideal for long flights, prolonged sitting, cold climates, or wellness support routines.
Ideal For
- Athletes seeking enhanced performance & foot‑lower‑leg recovery
- Hikers, trekkers & outdoor endurance users
- Individuals managing foot fatigue, arch pain or plantar‑fasciitis‑related discomfort
- Travellers needing circulation & swelling support
- Physios, coaches, medics & staff on their feet all day
- Pro‑sport teams and performance departments
- Everyday comfort, and thermoregulation
The Science Inside KYMIRA® Infrared
Performance • Recovery • Injury Prevention • Wellness & Rehabilitation
What It Is
KYMIRA’s patented KYnergy® infrared textile embeds a matrix of bioceramic minerals into every fibre. These minerals absorb natural body heat and convert it into far‑infrared (FIR) light in the 6–14 µm band — wavelengths shown in clinical literature to penetrate tissue and stimulate beneficial biological responses. These include enhanced circulation, improved oxygenation, increased cellular energy (ATP), accelerated recovery processes, reduced inflammation, and better temperature regulation.
How It Works (Step‑by‑Step)
Energy Conversion
Body heat → absorbed by the mineral matrix → re‑emitted as FIR (6–14 µm) back into the body.
Nitric Oxide Activation → Vasodilation
FIR exposure is associated with increased nitric oxide (NO) availability, supporting local vasodilation and microcirculation improvements.
Enhanced Oxygen Delivery (tcPO₂)
Independent tcPO₂ trials on FIR garments demonstrate 5–8% higher tissue oxygenation within 30–90 minutes versus placebo — enabling improved aerobic efficiency at lower physiological cost.
Mitochondrial Efficiency (ATP Production)
FIR stimulates mitochondrial enzymes that increase cellular energy output (ATP), supporting sustained muscle function, reduced fatigue, and more efficient tissue repair.
Biological Signalling for Adaptation & Healing
Exercise and recovery studies show FIR up‑regulates pathways linked to mitochondrial biogenesis and angiogenesis, supporting long‑term tissue adaptation, vascular development, and cellular healing processes.
Thermal Comfort & Temperature Balance
FIR helps stabilise local micro‑temperature, improving warmth in the cold, aiding cooling when warm, and supporting moisture management — key for performance, comfort, and inflammation reduction.
Pain Modulation & Inflammation Reduction
FIR exposure aligns with activation of natural pain‑modulating pathways and reductions in inflammatory markers, supporting everyday comfort and rehabilitation.
Why It Matters for Performance
Increased Power, Strength & Endurance
Enhanced circulation + improved oxygenation + higher ATP output =
- Stronger muscles
- More efficient neuromuscular recruitment
- Faster aerobic activation
- Higher sustained intensities
- Better average power and total work
- A university trial referenced by KYMIRA notes performance improvements of up to 8.7% from first wear.
Better Movement Quality & Soft‑Tissue Readiness
- Improved circulation and oxygenation support warmer, more flexible tissues, reducing stiffness and enhancing mobility.
- Studies report improvements in jump height, grip strength, stability and high‑speed movement control.
Rapid In‑Session Recovery
- FIR helps accelerate clearance of lactic acid and metabolic by‑products, reducing muscle micro‑damage, inflammation markers, and the sensation of fatigue — improving performance within a single session.
Why KYMIRA Supports Injury Prevention
- Improved oxygenation supports smoother muscular contraction and reduces fatigue‑related injury risk.
- Enhanced ATP and reduced oxygen cost help maintain stable, controlled movement throughout sessions.
- Thermoregulation prevents cold‑related tightness and maintains soft‑tissue compliance.
- Reduced accumulation of inflammatory metabolites lessens tissue stress across training blocks.
- Angiogenic and mitochondrial signalling supports structural adaptation that improves long‑term tissue resilience.
Together, these mechanisms help reduce both micro‑tears (that lead to DOMS) and larger soft‑tissue injury risk.
Why It Matters for Recovery
Faster Neuromuscular Restoration & Readiness
- A peer‑reviewed Notre Dame study demonstrated that athletes recovering in KYMIRA FIR garments showed significant neuromuscular recovery improvements at 24–48 hours, outperforming placebo conditions.
Reduced DOMS, Soreness & Inflammation
- FIR garments have been shown to modulate pain pathways, reduce inflammation, and significantly reduce self‑reported DOMS — without compression, devices, or active treatments.
Improved Tissue Oxygenation & Soft‑Tissue Repair
- The tcPO₂ increase observed within 30–90 minutes coincides with the post‑session repair window. Higher oxygen delivery supports faster tissue remodelling, reduced next‑day heaviness, and smoother movement quality.
Accelerated Cellular & Structural Adaptation
- Recovery studies show enhanced angiogenic and mitochondrial signalling — setting the stage for better long‑term adaptation, supporting rehab protocols and frequent training cycles.
Wellness, Health & Rehabilitation Applications
Cellular Healing Support
- KYMIRA garments have been clinically shown to increase mitochondrial activity and angiogenic signalling support, which speeds up cellular turnover and tissue healing.
Pain & Inflammation Relief
- KYMIRA garments have been clinically shown to reduce inflammation, improve local blood flow, and activate natural analgesic pathways, aiding comfort in everyday use.
Circulation & Cold‑Sensitivity Support
- Enhanced microcirculation can help individuals experiencing cold hands/feet, sluggish circulation, Raynaud’s‑type discomfort, or long periods of sitting/standing.
Soft‑Tissue Rehabilitation
- Improved oxygenation and thermoregulation can support recovery from muscle strain, tendon irritation, overuse issues, and general movement‑related discomfort. May customers experience quicker rehabilitation from injury using KYMIRA products.
Daily Health & Comfort
- Better warmth retention, improved moisture management, reduced stiffness, and enhanced comfort during long days contribute to overall wellbeing.
Socks & Sleeves Foot Size
S 3 - 5
M 6 - 8
L 9 - 11
Full sizing chart is available in our footer.
FABRIC COMPOSITION
44% KYnergy Polyester
41% Nylon
9% Polypropylene
6% Elastane
CARE INSTRUCTIONS
Wash at 30C/86F
Do not tumble dry
KYMIRA® Infrared Crew Socks
Performance • Endurance • Recovery • Hiking • Wellness
Description
The KYMIRA® Infrared Crew Socks are engineered for athletes, hikers, travellers, and anyone who spends long days on their feet. Powered by KYMIRA’s patented infrared (FIR) textile technology, these socks convert body heat into beneficial infrared energy that supports circulation, oxygen delivery, energy production, and temperature regulation—all foundational for foot comfort, endurance and recovery.
The crew version delivers all‑day softness, breathability, micro‑cushioning, and a supportive technical knit, making them ideal for hiking, distance walking, long work shifts, coaching, gym training, cold‑weather sport, and wellness applications such as plantar fasciitis discomfort and foot‑fatigue management.
Infrared socks are proven to enhance blood flow and warmth, helping maintain dexterity and muscle compliance in cooler conditions—similar to KYMIRA’s infrared gloves which show circulation‑boosting and thermoregulatory benefits.
FIR‑emitting textiles have shown measurable increases in tissue oxygenation (tcPO₂) of ~5–8% within 30–90 minutes in placebo‑controlled trials, supporting foot comfort and metabolic efficiency under load.
Technology: KYnergy® Infrared
KYMIRA’s KYnergy® fabric embeds ceramic minerals into every thread. These minerals absorb body heat and re‑emit it as far‑infrared light (6–14 µm), a clinically studied wavelength range that stimulates:
1. Nitric oxide–mediated vasodilation (improved circulation)
Increases in transcutaneous oxygen (tcPO₂) by 5–8% in real human studies
2. Enhanced mitochondrial activity (ATP production) for energy
3. Reduced physiological cost at steady work intensities (greater efficiency)
4. Moisture‑management & micro‑temperature stability (up to 63% longer warmth retention and 65% faster drying)
These biological effects support comfort, endurance, injury resilience, and faster recovery.
Key Benefits
1. Performance & Endurance
- Elevated microcirculation & oxygenation enhance muscle efficiency in the feet, arch and lower leg.
- More stable movement patterns from reduced fatigue and improved energy turnover.
- Thermoregulating warmth for winter training, cold‑morning hikes and wet‑weather sessions.
- Moisture‑wicking, quick‑dry knit keeps feet dry during long distances.
Whether you're sprinting, coaching, or climbing hills, the socks keep your feet energised, supported and ready for sustained output.
2. Recovery Acceleration
- FIR increases oxygen delivery during the post‑exercise window (30–90 minutes), supporting tissue repair.
- Faster clearance of lactate & metabolic waste, reducing next‑day heaviness.
- Supports reduced DOMS, inflammation and soreness, consistent with FIR recovery studies.
Ideal for post‑training recovery, long days on your feet, and between back‑to‑back sessions.
3. Injury‑Prevention Support
- Enhanced foot circulation helps maintain muscle and tendon compliance, reducing cold‑related tightness.
- FIR’s effects on mitochondrial & angiogenic signalling may support long‑term strengthening and adaptation.
- Efficient oxygenation supports proper muscle firing and lowers fatigue‑related compensation patterns that can contribute to ankle, arch or Achilles strain.
4. Hiking, Trekking & Long-Distance Walking
For multi‑hour or multi‑day hikers, the Infrared Crew Socks offer:
- Steady circulation under prolonged load → reduced swelling and “hot‑spot heaviness.”
- FIR warmth + fast‑dry for comfort across altitude, cold mornings and damp conditions.
- Cushioned heel/toe for blister reduction and stride comfort.
- Freshness retention: Mineral fibres naturally help reduce bacterial proliferation, supporting odour resistance and long‑wear freshness (consistent with FIR textile behaviour across socks/gloves).
- All‑day foot endurance ideal for trekking, rambling, mountain travel and trail adventures.
5. Long Days on Your Feet (Work, Coaching, Physio, Hospitality, Healthcare)
- Continuous infrared stimulation supports circulation and swelling reduction during extended standing.
- Thermoregulation stabilises comfort through temperature fluctuations.
- Cushioned knit helps reduce impact stress across long shifts.
- Ideal for coaches, teachers, medical staff, warehouse, hospitality, and S&C professionals.
6. Wellness & Foot‑Health Applications
The FIR‑driven circulation and oxygenation benefits support comfort for:
- Plantar fasciitis discomfort
(improved circulation + warmth may ease stiffness on first steps and long walks)
- Foot pain & arch fatigue
(oxygenation + micro‑cushioning support improved comfort)
- Neuropathy‑related cold sensation
(more consistent warmth + micro‑circulation improvements)
- Heel pain, Achilles tightness, calf stiffness
(FIR vasodilation and thermoregulation help maintain tissue compliance)
- General foot‑health & recovery routines
(soreness reduction and faster tissue oxygenation support)
Construction Features
- Technical infrared‑emitting knit
- Cushioned heel & toe for impact absorption
- Soft, breathable, moisture‑wicking yarns
- Ribbed cuff for secure hold
- Arch support band
- Natural odour‑resistance from mineral‑embedded fibres
- Seamless toe to reduce friction
Applications
- Performance & Training
- Running, cycling, court sports, pitch workouts, gym sessions, HIIT, coaching.
- Hiking & Outdoor
- Trekking, hill walking, backpacking, trail running, adventure travel.
- Recovery
- Post‑run/post‑gym regeneration, soreness reduction, calf/foot recovery in rehab phases.
- Travel & Everyday
- Long‑haul flights, commuter days, all‑day standing, temperature‑variable environments.
- Everyday comfort, and thermoregulation
Use Protocol
Prepare (Before Activity)
Wear 30–90 minutes pre‑exercise to encourage improved circulation and tissue readiness.
Perform (During Activity)
Use throughout training or hiking to stabilise temperature, maintain oxygenation and reduce fatigue.
Recover (After Activity)
Wear 1–4 hours post‑exercise to support metabolic clearance and reduced soreness.
Travel / Daily Use
Ideal for long flights, prolonged sitting, cold climates, or wellness support routines.
Ideal For
- Athletes seeking enhanced performance & foot‑lower‑leg recovery
- Hikers, trekkers & outdoor endurance users
- Individuals managing foot fatigue, arch pain or plantar‑fasciitis‑related discomfort
- Travellers needing circulation & swelling support
- Physios, coaches, medics & staff on their feet all day
- Pro‑sport teams and performance departments
- Everyday comfort, and thermoregulation
As Worn By
As Used In
“I wear my KYMIRA socks every day… as soon as I finish a game or training session… I whack my leggings on… That’s when I feel the benefit of KYMIRA."
Jonny May
GB Profrofessional Rugby Player
"The compression and infrared technology definitely helped decrease the swelling and pain… It has aided my recovery levels, allowing me to recover faster than ever before.”
Henry Trinder
Former GB, Professional Rugby Player