Product descriptionTrek Collection – Surprisingly Light but Durable The collection is finely made of renowned Dimension-Polyant X-Pac™ sailcloth which is surprisingly Lightweight and with anti-tear nature. This backpack offers flexible ways of use and ample storage with practical compartments inside. Perfect for outdoor activities. The details" Dimension-Polyant X-Pac™ 420D Cordura Nylon Water Repellent Ultralight Waterproof And Reflective Zipper Duraflex Hardware & Anti-Slip Puller Designed Metal Logo Buckles Water Bottle Compartment Roll-Top Closure With Buckles For Easy Opening & Expanding Capacity (18L - 20L) Padded Adjustable Shoulder Strapss Internal Split Compartment With Removeable Padding For Back/Sitting Pad Reflective Loops To Compatible With D274P "Wander" As Front/Chest/Internal Pocket Detachable Waist Belt To Compatible With D274P"Wander" As Bumbag ( X-Pac™ With A Crinkled Surface) Specifications 24-31cm W x 13cm D x 51cm H 18L 0.72kg Shipping + returnsThe rates are determined by weight and destination at the point of purchase. We only accept exchanges and returns within 14 days of the delivery date for products that are damaged, defective, or incorrect.