The Flexible Insulated Pants are lightweight quilted pants. The shell material offers stretchability, water resistance, and heat retention due to Primeflex‚ fabric and bio-based nylon. The lining is made of 100% recycled polyester and 40% recycled padding material. The Flexible Insulated Pants feature a hidden bucket belt at the adjustable waist, two side pockets, a tapered leg, and a right-back pocket.