The Q36. 5 Super Termico Overshoes pull on like a sock, sealing the foot inside a UF Thermal Shell fabric built to hold heat through the coldest miles of the season. That sock-style fit closes off the gaps a zippered overshoe leaves open, so warmth stays put instead of leaking out at the ankle. What Our Gearhead(R) Experts Are Saying:"My toes stay warm well past the point where a thinner shoe cover would've given up, even on a ride that dips below freezing."