Aspire Two - Black Windproof 3-N-1: Fits under helmets

3-N-1: Fits under helmets

Polartec Fleece neck-up for added warmth

This is particularly appreciable when using carbon soles

3 mm ( 11 + 6

Micro-light key projects a bright white beam

Aspire Two - Black Windproof 3-N-1: Fits under helmetsThe ASPIRE Line is thin and light for serious runners and cyclists, yet still perfect for athletes of any sport. Managed Compression prevents bunching and hot spots by supporting all 3 arches in the foot. Linked Toe technology prevents blisters by eliminating bunching in the toe box. The result is a sock designed to fit your feet perfectly while helping you do what moves you. Linked Toe Technology Olefin Toe and Heel 3 Arch Support Olefin Footbed Y