Shell is 100% nylon. Filling is 100% polyester. Lining is 100% polyester. Quilted. Water-resistant. Hidden bucket belt at the adjustable waist. Tapered leg. Two side pockets. Back right pocket. Your new go-to winter bottoms, the Flexible Pants from Snow Peak offer stretchability, water-resistance, and heat retention due to Primeflex fabric and bio-based nylon being used on the shell. Quilted, the pair is lined and padded with polyester for added warmth and comfort, while featuring a hidden belt at the adjustable waist. The pants are designed to fit close to the body, with the hem hitting at the ankle, ensuring a more stylish overall look.