Made with durable recycled nylon for puncture and abrasion resistance. Two easy-access openings: a wide U-shaped lid and a zip-open back panel so you can access gear in a loaded pack; with a secondary compartment that holds goggles or other small items. Spacious, dedicated compartment for snow safety tools and external helmet carry. Adjustable sternum strap; mesh on the shoulder straps, back panel and padded waistbelt with zippered stash pockets. Features Shell Resists Abrasion and Puncture Easy-Access Openings Stow Tools and Helmet Easily Multiple Carry Options Hydration Compatible Made in Vietnam 1,191 g (2 lbs 10 oz) Materials Body: 6.4-oz 420-denier 100% recycled nylon plain weave with a PU coating and a DWR (durable water repellent) finish. Lining: 3-oz 200-denier 100% recycled polyester with a PU coating. Note 1191 g (2 lbs 10 oz) S/M: 54 cm x 30 cm x 17 cm (21.25" x 11.8" x 6.7")  L/XL: 59,1 cm x 30 cm x 17 cm (23.25" x 11.8" x 6.7") 30L (1831 cu in) Patagonia, SnowDrifter Pack 30L