The All-Star Cobalt™ Pro Umpire Leg Guards are lightweight with a low profile to fit under plate umpire pants, offering a minimalist design without sacrificing protection. They also feature plastic shells with memory - Flex them outward for a broader fit, or curl them inward for a tighter, wrap-around feel.Specifications Lightweight, minimalist design (15" weighs 2 lbs.) Cantilever system for more protection/less bulk Plastic shells w/ memory for a formed fit Low-profile, smooth design does not snag pants Perforated backing foam provides ventilation throughout