Patagonia Atom Tote Backpack 20L。All fabrics, spacer mesh and static mesh are 100% recycled (stretch mesh is 72% recycled), and the body fabric has a durable water repellent (DWR) finish made without intentionally added PFAS; pack volume is 20 liters Removable padded sleeve fits laptops up to 13\" and has a secure zippered pocket to hold pens, cords and other desktop items to ease transitions from work to play Hydration hanger, pass-through access and a breathable back panel are as ready for the trail as the daily commute Front stash pocket holds small items and keeps valuables close at hand Bike-light clipping point at the base of the pack 17\" torso length fits a shorter body, or can simply be used as a smaller pack (the “Atom Fit”) Weight 645 g (1 lb 6.75 oz)