Amazon.com: 50L Hiking Backpack Waterproof Lightweight With 。420D lattice nylon +420D plain nylon Weighing in at just 2 lbs 940g while others more over 2.5lb, HOMIEE 50L hiking backpack is for the minimalist hiker that doesn’t compromise on top-notch durability and comfort. This trekking backpacks is built from durable 420D waterproof nylon fabric, preventing extended tears & abrasion. An ideal expedition pack for anyone on a 3-5 days adventure from beginners to group leader through to veteran thru-hikers! Also perfect for a carry-on for airline overheads