New ROCKY mens Rks0399 Bearclaw FX Waterproff Men's 8.5 W Brown Mossy Oak Black White Gray Power management is handled internally Medium:Navy White Red Power management is handled internally meaning the battery doesn't require a separate balance lead to control charging 65% SBR 10% nylon 15% polyester 5% rubber 5% Latex free construction makes this knee support suitable to use against your sensitive skin Designed with Antimicrobial technology to help prevent the growth of odor causing microorganisms Premium stitching on this knee support offers durability for prolonged usage Polyurethane (PU) sole Bearclaw FX bond welted outsole provides added flexibility Mossy Oak Country Camo 800 grams of thermal insulation Full grain leather and 900 denier nylon