ACCESSORIES

OS1st TA4 Thin Air^TM Performance Socks feature never before applied technology to keep your feet cool and protected during any activity.  Created using 200n medical grade machinery and materials we are able to build in comfort, durability and blister protection, yet with the thinnest upper foot profile ever made. The "Thin Skin^TM" construction with uniquely positioned lift-bars, maximizes air-flow achieving a cooling sensation to your feet.  

Targeted Conditions:

• Blister protection
• Sore/achy feet
• Hyper-sensitivity
• Overheating

Performance Features:

• Maximum air flow
• Skin Thin^TM design
• Heat release
• Lift bars for max air flow
• Anti-bacterial
• Ultra light

Targeted zones of light to moderate compression create anatomical fit, fight blisters, and stay put while active. Contoured nano-bamboo charcoal padding for added comfort. Cooling panels for temperature regulation. For the best fit, it is important to use the size chart before ordering.

PERFORMANCE FEATURES

• Ultra-soft nylon treated with silver-ion technology for anti-bacterial odor and moisture wicking ability
• NanoBamboo Charcoal ionized fiber cushion
• Skin Thin ™ Technology to increase air flow and temperature regulation
• Seamless construction
• Left/right design for anatomical fit
• Y-Gore heel
• Hand wash and hang dry only with non-bleach detergent 
• Compression sock care instructions 

COMPRESSION ZONE TECHNOLOGY 

1. Light compression (less than 15 mmHg) for comfort and circulation
2. Moderate compression (10-15 mmHg) for foot support and friction relief 
3. Light compression (less than 15 mmHg) for shaped-to-fit feel 
4. Light compression (less than 15 mmHg)  for non-binding comfort

Product Details

Our lowest-bulk sock is built for all types of runs on all kinds of surfaces. Our unique five-toe performance design eliminates the friction that can cause blisters, and keeps your toes free for better feel and natural fit on uneven terrain. Soft, durable seamless construction creates a supportive, secure fit, a mesh top and COOLMAX® fibers help keep feet dry and cool, and a band under the arch provides support and stability. The no-show length rests below the ankle and features a heel tab to protect against chafing and keep your socks from sliding into your shoes.

200 Needle Count

The more needles, the better. 200 Needle socks are lightweight, sturdy and durable.

Arch Support

Supportive band that offers a secure and stable fit.

Blister Prevention

With each toe protected, skin-on-skin friction is completely eliminated protecting your foot from blisters and hot spots.

Moisture Management

Each toe is wrapped in sweat-wicking material so your foot will be drier and therefore more comfortable than in traditional socks.

Total Foot Utilization

When your toes are separated and properly aligned, this allows your entire foot to be engaged in any athletic activity.

Mesh Top

Provides maximum breathability and ventilation on the top of foot.

Fiber Content

Fiber content: 28% COOLMAX® 67% Nylon 5% Lycra®

Wash & Care

Are your Injinji's dirty after a grueling run through the mud? It's time to wash them! To extend the life of your socks, we recommend washing all Injinji socks on delicate with cold water, followed by line drying.

Unisex Sizing Guide

This collapsible SoftFlask carries 300-500mL of fluid. The unique shape allows this SoftFlask to slide easily in and out of a hydration pocket. Comes with a larger diameter top to fit ice cubes and keep fluids cool. Features a silicone Sheath Bite Valve.

WP4™ Wellness Performance Socks by OS1st®

The WP4® Wellness Performance Socks offer seamless comfort for sensitivity, and feature ultra-comfortable nano-bamboo charcoal fiber that has been shown to help maintain healthy feet and skin.

OS1st® WP4™ socks are built to target specific conditions such as diabetes, sensitive feet, edema and neuropathy. 

• Diabetes
• Circulation Support
• Sensitive Feet
• Edema
• Neuropathy

Performance Features:

• Seamless construction
• Non-binding comfort
• Shaped-to-fit design
• Light Gradient Compression
• Contoured Padding
• Mid-foot/Arch Support Structure
• Left/Right Design for the Perfect Fit
• Y-Gore heel
• Lifestyle & ultra comfort

Comes with one (1) pair of socks per package.

Product Details

Engineered and cushioned for moving fast across shifting, uneven terrain, the Trail Midweight Mini-Crew delivers comfort and protection with agility and support. Snug, but not binding, the double-cuffed mini-crew height seals out grit and debris. COOLMAX® fibers wick away moisture, nylon adds durability, and Lycra® holds the fit. Arch support is built in, mesh at the top adds breathability, and our unique design wraps fabric around each toe to minimize blisters, more effectively wick moisture, and give you the freedom to utilize your whole foot on narrow, gnarly trails during training runs and ultra marathons.

Blister Prevention: With each toe protected, skin-on-skin friction is completely eliminated protecting your foot from blisters and hot spots.

Moisture Management: Each toe is wrapped in sweat-wicking material so your foot will be drier and therefore more comfortable than in traditional socks.

Total Foot Utilization: When your toes are separated and properly aligned, this allows your entire foot to be engaged in any athletic activity.

Mesh Top: Provides maximum breathability and ventilation on the top of foot.

Protective Cushion: Extra cushioning on the footbed to increase foot comfort.

Double Cuff: A thicker cuff to hold the sock comfortably in place while reducing chafing.

Fiber Content: Fiber content: 39% COOLMAX® 58% Nylon 3% Lycra®

Wash & Care: Are your Injinji's dirty after a grueling run through the mud? It's time to wash them! To extend the life of your socks, we recommend washing all Injinji socks on delicate with cold water, followed by line drying.

Unisex Sizing Guide

The UltrAspire Reservoir is made from an FDA approved BPA free Polyurethane material. This material allows the reservoir to be flexible and puncture resistant. The UltraRed™ hose connects/disconnects quickly and features a high flow bite valve. The top slider allows the bladder to filled easier and hold more water. For cleaning and drying, the top slider also allows the reservoir to be turned inside out. RF welds mold the polyurethane together as if it were one piece to prevent any leaks.

Description

Water is second only to oxygen in importance, never be without it. Take along a  Reservoir.

• BPA free, Phthalate free, and PVC free
• Reservoir comes in 1 and 2 liter sizes.
• Slide Seal™ opens wide for refilling, and seals tight.
• Turns inside out for easy cleaning.
• Simple Plug-N-Play™ tube attachment.
• 5/16th diameter tubing for high flow.
• Tubing comes standard in UltraRed™

Smart hydration that includes a high flow valve and bomb proof fluid delivery system.

The UltrAspire Reservoir is smart hydration that includes a high flow valve and bomb proof fluid delivery system. Patent pending Infusion Valve has a simple in, simple out closure. Just be careful- you’ll run out of fluids faster because you’ll be able to get it with less effort.

Product Details

Our lightest weight running mini-crew provides maximum comfort with minimal bulk. The design puts fabric around each toe, eliminating skin-on-skin friction that can cause blisters. And it gives your toes freedom to splay, align naturally, and work independently for improved comfort, balance and grip. COOLMAX® fibers and a breathable mesh top keep your feet cool and dry, and the seamless ergonomic construction and integrated arch support provide a secure, slip-free fit. The mini-crew length sits just below the ankle for debris protection and cool comfort.

200 Needle Count

The more needles, the better. 200 Needle socks are lightweight, sturdy and durable.

Arch Support

Supportive band that offers a secure and stable fit.

Blister Prevention

With each toe protected, skin-on-skin friction is completely eliminated protecting your foot from blisters and hot spots.

Moisture Management

Each toe is wrapped in sweat-wicking material so your foot will be drier and therefore more comfortable than in traditional socks.

Total Foot Utilization

When your toes are separated and properly aligned, this allows your entire foot to be engaged in any athletic activity.

Mesh Top

Provides maximum breathability and ventilation on the top of foot.

Fiber Content

Fiber content: 27% COOLMAX® 68% Nylon 5% Lycra®

Wash & Care

Are your Injinji's dirty after a grueling run through the mud? It's time to wash them! To extend the life of your socks, we recommend washing all Injinji socks on delicate with cold water, followed by line drying.

Unisex Sizing Guide

It's about time to get MOOOVIN, with a new pair of BOA Moo Cow shorts. Fully equipped with a Hot Pink liner to show off your udders while out on your next run. 

The BOA 1” STRETCH ELITE SHORT features our new Hybrid Lite stretch fabric, our most comfortable fabric to date. This fabric incorporates spandex allowing for 4-way stretch to eliminate all bind and creates an ultra-soft feel. Mid rise, 1” inseam, high side splits offer complete range of motion, and minimalistic coverage for the elite runner. The back panel of the short extends under the front panel to keep you covered. 1.25" elastic waistband provides the perfect fit. Sleek internal key pocket built into waistband. If performance is on your mind, look no further.

• Shell - Hybrid Lite, 88/12 Micro Polyester/Spandex, Lining - 100% Polyester
• Ultra-Lightweight stretch fabric provides extra soft flexible performance while keeping you dry during your runs
• Full side split for complete freedom and range of motion
• 1” inseam for minimal coverage and top performance
• 1.25" Elastic waistband and key pocket
• Designed, Cut, Sewn, and Printed in the USA

Women's 1" Elite Size Chart

Product Details

Specifically designed – heel to toe – to fit a women’s foot, our lowest-bulk sock is built for all types of runs. A narrower profile, increased stretch, and redesigned toes create a better fit with improved compression and support. Our unique five-toe design eliminates the friction that can cause blisters and keeps your toes free for a natural splay and better feel on uneven terrain. A mesh top and COOLMAX® fibers help keep feet dry and cool, and the no-show cuff rests below the ankle and features a heel tab to minimize slipping and chafing..

Women's Specific

Designed specifically to accommodate a female foot.

Blister Prevention

With each toe protected, skin-on-skin friction is completely eliminated protecting your foot from blisters and hot spots.

Moisture Management

Each toe is wrapped in sweat-wicking material so your foot will be drier and therefore more comfortable than in traditional socks.

Total Foot Utilization

When your toes are separated and properly aligned, this allows your entire foot to be engaged in any athletic activity.

Fiber Content

Fiber content: 28% COOLMAX® 67% Nylon 5% Lycra®

Wash & Care

Are your Injinji's dirty after a grueling run through the mud? It's time to wash them! To extend the life of your socks, we recommend washing all Injinji socks on delicate with cold water, followed by line drying.

Women's Specific Sizing

Natural conformation to your hand. Provides stress relieving hand carriage. This is the Ultra Race Handheld. Hybrid between a hard bottle and soft flask. Super light weight and squeezable.

Description

Recommended Use:
Racing and daily training

Details:
Super Light weight and squeezable
Natural conformation to hand
Provides stress relieving hand carriage

Fit: Unisex
Color Option: Blue/Grey
Hydration Included: 550 mL UltraFlask

Product Details

This is the sock for women who love to move fast across rugged terrain. With each toe wrapped in fabric to minimize friction, your toes are free splay so you can utilize your entire foot to get a confident grip and better balance on narrow, uneven trails. The crew length rides high to seal out debris, ergonomic patterning is tailored specifically for women’s feet, and a band under the arch adds support. COOLMAX® and a mesh top keep feet dry and cool, nylon fibers add durability, and midweight cushioning protects your feet.

Features & Benefits

• 

  Arch Support

  Supportive band that offers a secure and stable fit.

• 

  Blister Prevention

  With each toe protected, skin-on-skin friction is completely eliminated protecting your foot from blisters and hot spots.

• 

  Moisture Management

  Each toe is wrapped in sweat-wicking material so your foot will be drier and therefore more comfortable than in traditional socks.

• 

  Total Foot Utilization

  When your toes are separated and properly aligned, this allows your entire foot to be engaged in any athletic activity.

• 

  Fiber Content

  Fiber content: 39% COOLMAX® 58% Nylon 3% Lycra®

• 

  Protective Cushion

  Extra cushioning on the footbed to increase foot comfort.

• 

  Women's Specific

  Designed specifically to accommodate a female foot.

Wash & Care

Are your Injinji's dirty after a grueling run through the mud? It's time to wash them! To extend the life of your socks, we recommend washing all Injinji socks on delicate with cold water, followed by line drying.

Women's Specific Sizing