Klim Aggressor 3.0 Sock Colour:Black/Hi-Viz Thru-lens foam-filtered vent to manage

Thru-lens foam-filtered vent to manage temp/elevation changes and prevent fogging

Reflections on the back and chest

Partial ventilation on the upper and lower legs allows you to stay a little bit cooler when things heat and included protection at the knees and hips (along with knee sliders)

it's packed with next-level features that align with your performance demands

Klim Aggressor 3.0 Sock Colour:Black/Hi-Viz Thru-lens foam-filtered vent to manageFEATURES Teton Merino Wool blended w acrylic, Polyamide Nylon, Lycra, SoftAir Polyester for durability & comfort (36% Merino Wool, 31% Acrylic, 12% Nylon, 17% Elastane, 4% Polyester) Made of European sourced yarns Reinforced toe, heel, sole Full Terry Loop construction for cushioning and warmth Arch & ankle support stretch bands Patterned front mid ankle bend for reduced bulk Tubular cuff for better fit & stretch recovery Over the calf height Size