FXR Boost Performance Socks Size:L/XL Full grain leather inner knee

Full grain leather inner knee panels for improved grip and durability

Zipper vents on the main body allow you to get an instant cool-down if the ride gets too hot

Shell shape designed to maximize aerodynamic performance and to have 0 dynamic weight at 130km/h (80 mph)

Reduction in the effects of ozone degradation

Reflective Elements: Equipped with reflective panels and piping to enhance visibility during night rides

FXR Boost Performance Socks Size:L/XL Full grain leather inner kneeFEATURES 2 pairs per pack Thermalitefor maximum warmth even when wet Synthetic blend wicks moisture Lycra for increased stretch and shape retention Reinforced nylon zones for added durability Ribbed arch and ankle support Cushion loop construction Elastic welt cuff top prevents slippage Extra padding on heel, toe and arch Men's 13" from heel to cuff Women's 12" from heel to cuff