Hydration Backpack - TrailCaracteristicas: If you want to ensure proper hydration as you ride and have the gear or tools you need with you, the Hydration Backpack is your best option Constructed with durable 600D Polyester Oxford woven material. Rugged, wide mouth zippers provide access to large cargo pocket that give this pack over 600 cubic inches of cargo capacity Fully adjustable, padded shoulder straps and chest strap make the pack ergonomically balanced Durable, easy to