evo.com | Castelli Shoes > Extend bike season into the single digits with the Castelli Dinamica Shoe Cover, a sleek but toasty add-on made of GORE-TEX INFINIUM(TM) WINDSTOPPER(R) fabric with a fleecy liner for luxurious comfort. Durable Heel Cap with Reflectivity and Pull Tab YKK(R) AquaGuard(R) Zipper Fleece Backer for Warmth GORE-TEX INFINIUM(TM) WINDSTOPPER(R) Windproof and water-resistant. Reflective Side Panel for Visibility | Women's Castelli Dinamica Shoe Cover 2021 - Large in Black