Unisex F4 Tech No Show 3-pair pack (White) Size:L Breath Thermo captures escaping body

Breath Thermo captures escaping body vapors and generates heat for overall increased warmth during activity

Each Roll is 2"x16

it shrinks as you drink to minimize water movement and it can be used with or without the tube

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Also great for effective rehydration during international travel

Unisex F4 Tech No Show 3-pair pack (White) Size:L Breath Thermo captures escaping bodyDesigned to meet the demands of race day athletes, the F4 utilizes to provide compressed venting and moisture wicking in the most extreme conditions. Made with Sorbtek, this sock channels moisture away from the foot, keeping it cool and dry. Anatomical left right foot construction allows for precise fit, while a unique cushioning system provides comfort in specific pressure areas. Achilles protection reduces blistering on the back of the foot, and a