Welded rather than sewn seams are the only way make 100% waterproof
backpacks.We WELD the seams of our packs and panniers to form
waterproof liners.These liners are then sewn into our packs using the welded tabs.
By using a waterproof liner on the inside, we cangive you more cycling specific features for your pack on the outside, like blinker mounts,pockets, pocket attachment points, compression straps and u-lock holsters. These liners also contain large welded velcro panels to attach padded accessory