The No Drag range is perfect to wear on your bike as the aerodynamically shaped design will reduce drag while riding. Weather resistant exterior shell will keep all your valuables protected from the elements. The Mach 3 is a bit smaller than its bigger brother the Mach 5 but still has compartments for a 15-inch laptop pocket, tablet pocket and a fleece lined smartphone pocket. There is also a hydration pocket, shoe storage and valuable pocket. The ergonomic back panel will ensure comfort and the adjustable shoulder straps and sternum strap give a secure ride. Don't be scared to use this at night as the reflective safety piping and logo give 360-degree visibility. Weight: 2.7 lbs / 1.22 kilos. Size: 18.4 litre