Red Rock Outdoor Gear Transporter 20L Day Pack Black. A mesh-ventilated back panel and contoured shoulder straps reinforced carry handle and quick-release compression straps on either side are some of the utilitarian touches that make this pack so versatile. The spacious main compartment will accept a 2.5L hydration bladder (hydration bladder sold separately see P.16) with dual covered hydration portholes. Both compartments have a soft touch-fastener lining that will accept any hook and loop accessories. Specifications for Red Rock Outdoor Gear Transporter 20L Day Pack: Manufacturer: Red Rock Outdoor Gear Size: One Size Gender: Unisex Weight: 1.8 oz Pack Application: Tactical Capacity: 20 liters Pack Volume: 28 liters Fabric/Material: 100percent Polyester Body Material: Polyester Width: 9.5 in Height: 18 in Features of Red Rock Outdoor Gear Transporter 20L Day Pack 20 liters of total storage Laser-cut MOLLE webbing platform for attaching additional pouches or gear Reinforced carry handle Mesh ventilated padded back panel with fully adjustable contoured and padded shoulder straps Four quick-release compression straps Touch-fastener lining is hook and loop compatible 600D polyester construction Package Contents: Red Rock Outdoor Gear Transporter 20L Day Pack Red Rock Outdoor Gear 80151BLK: Transporter 20L Day Pack Black