Louis Garneau Thermax Shoe Cover Medium BlackThe Louis Garneau Thermax Shoe Cover utilizes 3mm of Neoprene Extreme Fabric to provide exceptional warmth and flexibility around your ankles. The Patent-pending Thermo Air Technology allows the rider the option to open a set of vents to rush your legs and feet with cold air when you need it. There is silicone elastic at the cuff for a snug fit. The Back has a seal seamed zipper that makes it easy to wear and remove after a long ride. The Sealed Tape on the seams aids in increasing the water resistance of the entire overall design. The Flatlock seams reduce bunching and preventing your blood from flowing freely. The Reinforced Kevlar under the sole provides outstanding longevity. There are reflective elements increasing your visibility after sundown. Available in Black and Bright Yellow.775504895109