MSR Revo Ascent Snowshoes Men Under25 while the Astro™ Insulated R value Size:10 28T while the Astro™ Insulated R value of 2 Lasting durability: Strong polyurethane coated polyester External Traction: Aggressive perimeter teeth and durable steel DTX crampons deliver advanced traction 10 kg Width (Standard) 8 in 8 in Width (Metric) 20 cm 20 cm Length (Standard) 22 in 25 in Length (Metric) 56 cm 64 cm Binding type Paragon™ Paragon™ Gait Unisex average width Unisex average width Footwear size range (Standard) 6M 14M 6M 14M Footwear size range (Metric) 39 48 39 48 Load (Standard) Up to 180 lbs 120 220 lbs Load (Metric) Up to 80 kilos 54 100 kilos Load w tails (Standard) Up to 250 lbs Up to 280 lbs Load w tails (Metric) Up to 114 kilos Up to 127 kilos Frame material(s) 7075 T6 Aluminum 7075 T6 Aluminum Deck material(s) Polypropylene Polypropylene Country of Origin Made in the USA of US and Imported Parts Made in the USA of US and Imported Parts