The Kriega Hydro-3 Hydration Backpack is a premium quality rucksack ideal for motorcyclists. IS constructed from 420D Rip stop nylon and features a removable waist strap, optional add-on 5 or 10 litre drypack storage, dimensions of 40(H) x 17(W) x 7cm(D) and unique Kriega Quadloc Harness with an adjustable back length and total arm freedom for a comfortable and perfect fit.