The North Face ThermoBall Eco Jacket is lightweight, pack-ready, and perfect both on and off the trail. Stows into its own hand pocket. Slim fit has a modern cut that hugs the body while still leaving room for movement. PrimaLoft ThermoBall insulation PrimaLoft ThermoBall insulation is a synthetic alternative to traditional down insulation. Warmth and compressibility equivalent to 600-fill down. Round synthetic insulation traps and retains heat within small air pockets. Insulative property is retained even when wet. Stand collar provides additional coverage when you need it. Long sleeves taper to elastic cuffs. Exposed VISLON zip closure in front. Internal zip pocket on the left panel. Covered, secure-zip hand pockets. Adjustable cinch cord hem helps keep the elements at bay. Allover bottleneck quilted design keeps insulation in place to reduce cold spots. Branding on the left chest and back right shoulder. 100% nylon;Lining: 100% nylon. Machine wash, tumble dry.