Since its first release in 2008 the Ultra-SilA(R) Daypack has impressed users with its incredible strength-to-weight performance. The use of siliconised CORDURAA(R) Nylon and reinforcing bar-tacks at stress points enables the Daypack to carry loads 250x its own weight. In 2017 the Ultra-SilA(R) Daypack won the prestigious Backpacker Editors&'; Choice Gold Award for outstanding innovation in design, materials, and performance. To celebrate we have upgraded the Daypack and brought a new look to the entire Ultra-SilA(R) bag range. Features Made from siliconized CorduraA(R) nylon to provide strength and long-lasting performance with minimal weight Simple, streamlined design features a half-moon, 2-way zipper across the top for easy access to the pack&';s main compartment; has no pockets or hydration sleeve Adjustable thin nylon straps; stress points are reinforced with bartacking for increased longevity The Ultra-Sil Daypack stuffs into its own tiny built-in pouch that has a drawstring closure and snap tab for attaching to a key ring Technical Specs Best Use- Travel Bag Style- Backpack Gear Capacity (L)- 20 liters Gear Capacity (cu. in.)- 1,220 cubic inches Number of Exterior Pockets- 1 main compartment Carry-On- Yes Material(s)- Nylon Dimensions- 19 x 11 x 8 inches Weight- 2.4 ounces