DeFeet SLIPSTREAM Shoe Cover L/XL Size D-Logo Hi-vis Yellow Made using sock manufacturing technology, this shoe cover is woven with highly elastic material at a high density, providing excellent windproof and cold protection despite its thinness. Also, the absence of seams helps to reduce air resistance. Reflective material is placed around the ankles to improve safety. Material: Cordura nylon/Lycra DeFeet Shoe Cover Size Chart Unit: cm Size (Approximate) L/XL 26.5-31.0cm Brand Description DeFeet is a specialist athletic wear manufacturer founded in North Carolina, USA in 1992. The socks, which use different materials and weaving methods for each part, are unique to DeFeet and were completed after 11 years of trial and error. They have been supported by cyclists seeking high performance due to their excellent breathability, durability, and fit. Many top teams and top cyclists, such as Team Columbia, Team Ouch, Team Quickstep, and USA Cycling Worlds Team, use them.