Design: Quick Click II(TM) Ratchet Binding Rapid Lite Flex(TM) Heel Strap Snow Motion(TM) axle system Durable, ultra-strong 6000 aluminum frame Lightweight, slip-proof aluminum heel plate Forged steel all-terrain crampons HDPE deck material for maximum power Includes snowshoes, trekking poles, and a travel bag Specs: Weight Per Pair: 5 lbs. (10" x 36"), 4.8 lbs. (9" x 30"), 4.2 lbs. (8" x 25"), 3.4 lbs. (8" x 21") Frame Material: 6000 Aluminum