This Alpha Force Composite Toe is an insulated, waterproof safety boot.This boot has everything you need in a duty boot! Rocky takes care of safety, so you can concentrate on the job at hand. This Alpha Force meets ASTM standards for electrical hazard and for impact and compression, but these work boots are not heavy. This is achieved with a composite toe. A composite toe is lighter than steel, yet fully meets CSA requirements for impact and compression resistance. Made with Rocky Waterproof construction, air circulates in, but your feet stay dry. Guaranteed. Beyond having safe and dry feet, you'll also have warm feet. These black duty boots have 400 grams of Thinsulate Ultra insulation. Also inside, is the Rocky Air-Port footbed for the ultimate in comfort and a non-metallic stabilizer that supports your foot but won't set off metal detectors if your job requires that you frequently pass through them. The boots have a molded EVA/ rubber outsole that resists oils and slips so you have sure footing on duty. It has a defined heel. The eight-inch black boots have full-grain leather and 900-denier nylon combination uppers.