When bad weather sets in protect your hands from the wind, cold and wet with Crab Gloves. Worn over regular mountainbike gloves these twin fingered âouter� gloves block out the worst of the weather, while maintaining exact grip and bike control. They feature anti-slip silicone finger zones, an index-finger lens wiper and a secure spandex slip-in cuff. Crab Gloves keeps hands warm and comfortable to keep riders on the trail longer.