Choosing between X-Pac and ballistic nylon is not simply a choice between “lightweight” and “tough.” Both materials can make an excellent backpack, but they achieve durability in very different ways. X-Pac is a laminated composite built from multiple functional layers. Ballistic nylon is a densely woven nylon fabric designed to resist abrasion and tearing. The better option depends on how you carry, where you...

Quick Answer: X-Pac is usually the better backpack material when you want a low-stretch, shape-holding laminate with a waterproof barrier built into the fabric. Cordura is usually the better choice when abrasion resistance, a softer hand, quieter movement, and proven everyday toughness matter more than maximum fabric-level water protection. Neither name identifies one universal specification, so compare the exact X-Pac laminate, Cordura construction, denier,...

Quick Answer X-Pac is a branded family of laminated pack fabrics made by Dimension-Polyant. Different X-Pac constructions combine selected face fabrics, reinforcement or structural layers, and waterproof film to balance weight, abrasion resistance, tear strength, stiffness, and appearance. The laminate itself can be waterproof, but an X-Pac backpack is not automatically waterproof because water may enter through sewn seams, zippers, binding, or openings. Choose...