The Mudroom Quartable is patent protected by US Patent #10,080,411 The Mudroom® Quartable 18L is designed with the urban adventurer and everyday commuter in mind. Our patent-protected Mudroom footwear compartments separate shoes from electronics and internal storage. Digital essentials are accessible inside or out for easy removing and reloading while in airport security lines with a side-access zipper. Silhouetted and contoured, Mudroom Backpacks maintain their shape (no sloppy bag sag). The Quartable can even stand upright on its own. Padded shoulder straps and an adjustable chest strap distribute weight for comfort. Designed to carry an extra pair of footwear and gear so you are prepared for what’s next. Features External footwear-specific pockets Padded laptop and tablet sleeves Hydration reservoir compatible 3M reflective tape for visibility External Shoe Pockets Padded Laptop & Tablet Sleeves Hydration Compatible Technical Specs Mudroom Footwear Pockets Fits up to US sized-14 (EU sized-52) men's shoes External Dimensions 18.5" x 13.5" x 6" (47 x 34 x 15 cm) Electronics sleeve Fits up to 15.5" (39.4 cm) laptop or tablet Tablet sleeve Fits up to 11" x 9" tablet (28.0 x 22.8 cm) Hydration compartment Fits 2L reservoir (remove laptop and insert reservoir) Features Mudroom footwear-specific pockets Two footwear compartments fit up to US sized-14 (EU sized-52) men's shoes. Footwear compartments are built into the inside of the backpack and are easily accessible with external- and internal-zippers; great for stowing extra shoes, water bottles, clothes or gear for your next adventure. Electronics sleeves Electronics sleeves with side-access zipper for laptops up to 15.5" (39.4 cm), plus an internal tablet sleeve. Laptop sleeve can be used as a hydration sleeve by removing the laptop and hanging a water reservoir from the hydration hook and threading the hydration tube through the rear port in the back panel. Organization Front zip pocket for your phone and other gadgets you want easily accessible. Side water bottle pocket made of durable stretch woven material. Stretch mesh pockets sewn to the inside of footwear compartment doors for additional organization. Safety 3M Reflective tape for evening travel and vertical daisy chain for attaching blinking bike lights. Additional Features Padded electronics sleeves Velcro strap for securing laptop Padded shoulders straps Hydration compatible (2L) with back panel opening and cover Internal hydration hook Adjustable chest strap with hydration hose clip Shoulder strap D-rings Flat and padded pack bottom for protecting electronics and standing-on-its-own Key holder Technical specifications Pack Weight: 1.8 lbs (.82 kg) Shipping weight: 2.3 lbs (1.0kg) Storage Volume: 26L (1600 cu. in.) External materials: 420d Ripstop nylon and 420d polyester back and bottom panels Internal materials: 210d Ripstop nylon