Hyper-dri® barrier for 100% waterproof protection 800gm. Thinsulate Ultra Insulation 1000-denier nylon upper with a reinforced, scuff-resistant toe and heel Direct attached for added waterproofness and durability Steel shank and EVA footbed Reinforced, scuff-resistant toe cap and heel counter Lightweight traction outsole EVA footbed Weight 3.33.5 lbs per pair