Mountain Hardwear Men's Stretchdown Insulated Pants - Stretchdown weaves pockets of down insulation from a single stretch fabric, giving you freedom to move. From trailhead to summit, over bases or under a waterproof shell: this layer is made to mobilize. Exclusive stretch-woven fabric delivers incredible durable stretch 700-fill RDS-certified down insulation Two hand pockets Integrated webbed belt Insulation in bluesign approved 256g Style: 1957551