Stretchdown weaves pockets of down insulation from a single stretch fabric, giving you freedom to move. A durable material blend comes together with the highest quality goose down insulation in an ultra-engineered construction to combine warmth and movement for the full range of winter activities. From trailhead to summit, over bases or under a waterproof shell: this layer is made to mobilize. Uses: Rock Climbing, Backpacking / Hiking, Casual / Travel, Camping. Exclusive stretch-woven fabric delivers incredible durable stretch. 700-fill RDS-certified down insulation. One secure zip chest pocket. Two zippered hand pockets. Full zipper at center front. Insulation is bluesign approved. 6.7 oz / 189 g. 87% Nylon, 13% Elastane.