GIVI Gravel-T Waterproof 25 Liter Backpack: Construction The GIVI Gravel-T Waterproof 25 Liter Backpack features an 840D double TPU nylon construction, making it completely waterproof during medium to long trips. EVA foam padded back panel and shoulder straps provide comfort. Chest and waist stability straps are included. The Gravel-T 25 Liter Backpack has high frequency sealed […]