The small, 25L Prolog Bag is an easy to carry gym bag with a durable, waterproof bottom material that lets you set the bag down anywhere with confidence. Rugged, waterproof bottom stands up to abuse on global adventures. Rugged but light materials keep the weight down. Separate compartments for wet or dry gear. Weight: 320. Pack weight (LB OZ)9.2 oz. Dimensions 59 x 34 x 17 cm. Pack volume (CI)1525. Pack volume (L)25. Pack weight (G)262. Material: Polyester, Nylon.