Features of the Mountain Hardwear Men's Stretchdown Pant Exclusive stretch-woven fabric delivers incredible durable stretch and is treated with PFC-Free DWR 700-fill RDS-Certified Down Insulation Two hand pockets Integrated webbed belt Insulation is bluesign approved Fabric Details Body: Durable stretch woven 87% Nylon, 13% elastaine Insulation: 700-fill RDS-certified down 85% Down, 15% Feather