To resist light moisture, this 30-liter pack has a PFC-free DWR finish (durable water repellent coating that does not contain perfluorinated chemistry); all fabrics are 100% recycled polyester except the stretchy mesh for the side pockets, which is an 84% recycled nylon/16% elastane blend. Removable padded sleeve fits laptops up to 15" and has two drop-in pockets and a secure zippered pocket to hold pens, cords and other desktop items to ease transitions from work to play 19” torso length fits most adults Patagonia Refugio 30 Lt Black