Trek Windshell Cycling Skull Cap OSFM disablecart it’s also backwards compatible for

it’s also backwards compatible for the 10-50t versions

The slip on design makes them lightweight with an exceptional range of motion with super stretchy panels

During wet conditions the fabric is engineered to reduce clinging to your skin

Minimum frame open hole

dual-lip labyrinth (LLB) seals to withstand the outside elements

Trek Windshell Cycling Skull Cap OSFM disablecart it’s also backwards compatible forKeeping your head and ears warm really is the best way to ensure comfort on gusty days. The Windshell Skull Cap is constructed of lightweight windproof thermal fabric that traps heat and wicks away chill inducing moisture. Strategically placed windproof fabric keeps chilly air out and warmth in Brushed thermal fleece fabric retains body heat and wicks moisture, keeping you warm and dry