Mountain Pass snow shoes feature light weight Grade 7000 aluminum frames, an easy to use pump ratchet buckle harnass system, and an impact absorbing strap pivot system. We use a durable Dupont Hypalon pivot strap with agressive aluminum crampons for all terrain use. Also included is a deluxe zippered transport bag with hand and shoulder straps. They are available in 5 sizes, #5621 (22 x 8.5") to a maximum 120 lbs, #6821 (27 x 8.5") to a maximum 155 lbs, #7821 (31 x 8.5") to a maximum 200 lbs, #8623 (34 x 9") to a maximum of 250 lbs, and #9225 (36 x 9.75") to a maximum of 300 lbs. Note: all rating are for semi-packed trails. Yanes snowshoes carry a 3 year warranty.