Details The Nano-Air® Hoody was made to be worn for the entirety of your aerobic, start-stop alpine missions, so you're never slowed down by changing layers. Warm, stretchy and breathable THERMOLITE® insulation dumps excess heat when you're working hard and keeps you warm when you're not. Fair Trade Certified™ sewn. Material Shell and lining: 1.7-oz 100% polyester (87% recycled) plain weave with four-way mechanical stretch and a PFC-free DWR finish (durable water repellent coating that does not contain perfluorinated chemistry). Cuffs: 4.9-oz 100% polyester snag-resistant stretch knit with a DWR (durable water repellent) finish. Insulation: 60-g FullRange® 100% polyester (40% recycled) with four-way stretch. Fabric is certified as bluesign® approved. Fair Trade Certified™ sewn Fit Slim fit Details 100% polyester (87% recycled) plain-weave shell and lining fabric offers generous mechanical stretch, exceptional breathability and abrasion resistance; microtexture creates excellent next-to-skin comfort; features a PFC-free DWR finish (durable water repellent coating that does not contain perfluorinated chemicals) Revolutionary 60-g THERMOLITE® 100% polyester (40% recycled) insulation warms and stretches, and combined with the shell and lining, supplies outstanding mechanical stretch and unprecedented air permeability (40CFM), allowing excess heat to move away from the body Stretch fabrics and insulation, articulated patterning and strategically placed, low-profile quilting provide exceptional range of motion for unhindered movement Stretchy hood with binding easily pulls on or off, even when jacket is zipped Center-front zipper has zipper garage at chin for next-to-skin comfort Two handwarmer pockets and a left-chest pocket are zippered, low-profile and low-bulk to wear comfortably with a harness or pack; self-stuffs into left-chest pocket Sleek, low-bulk and snag-resistant Variable Conditions Cuffs use stretch knit for versatile coverage and comfort; elasticized hem seals in warmth; Fair Trade Certified™ sewn Weight 346 g (12.2 oz) Patagonia Nano-Air Hoody Men's