Takashi Jyo BACKPACK 2.1 15L This product is the BACKPACK 2.1. There is some slight scuffing on the bottom. It will be shipped folded. Size: W270/H430/D115 (Unit: mm) Weight: 490g Material: Ultra-high molecular weight polyethylene fiber (UHMW-PE) Manufacture: Japan -------------------- Many people requested a re-release of the ultra-lightweight backpack from NEXTRAVELER TOOLS. Among them, the most popular and sold-out "BACKPACK 2.0" has been upgraded to "BACKPACK 2.1". Based on requests from users, all zippers have been improved for smoother opening and closing. The tape adjustment part of the shoulder strap, which some found to be loose, has been tidied up. The size is 15 liters, a challenging size for a travel expert embarking on a round-the-world trip. The material uses "ultra-high molecular weight polyethylene fiber (UHMW-PE)", a super fiber known for its use in explosion-proof sheets and bulletproof vests, throughout. It achieves twice the strength at half the weight of similar-sized products. It has higher impact resistance than polycarbonate, boasts eight times the strength of piano wire, and is equipped with water-stop zippers on all pockets.