BACKPACK WITH A CAPACITY OF 30 LT. WITH FLEXIBLE BARS FOR PERFECT WEIGHT DISTRIBUTION. SEPARATED BACK WITH MESH FABRIC. SHOULDERS AND LUMBAR BACK IN PADDED FABRIC. ADJUSTABLE WAIST AND CHEST. LARGE POCKETS IN MESH FABRIC. FIXING ELASTIC STRINGS. CENTRAL POCKET WITH ZIP CLOUSRE. COMPARTMENT WITH AN UPPER ENTRANCE. DRINKING BOTTLE PREDISPOSITION. EXTRACTABLE AND WATERREPELLENT BACKPACK COVER.