Razer Utility Backpack Military-grade durability. The Razer backpack is made from the same materials used for military flak jackets to protect its wearer from debris and fragmentation - thick, tightly woven robust ballistic nylon. Flexible minimalist design. Designed to provide utility while retaining a sleek look, the Razer backpack has easily accessible compartments which are smartly concealed with clean stitch lines. Carry with comfort. A frameless design with heavily padded shoulder straps and back panel ensures comfort and ease regardless of what you carry.