RBTR has a unique line of high-quality nylon, polyester, and Dyneema fabrics designed for extreme durability and high strength applications. Our HEX70 XL is a 70 denier ripstop nylon with two options - breathable with durable water repellent (DWR) and PU3000 coated. Our 420D ROBIC ripstop nylon is among the toughest fabrics we offer, with a high tear strength and perfect for backpacks, heavy duty bags. It's also waterproof. The HyperD 300 is a 300 denier polyester and has a very high durability but increased packability. The 210D Dyneema X Gridstop also has incredible tear strength and durability. It's also waterproof/non-breathable with a PU coating on the backside and it perfect for backpacks and other gear.