Critcal Mass

The Critical Mass is a large messenger bag designed to carry it all and is perfect for a two-wheeled commute! ; Main compartment is padded on the backside and along the contoured base to protect contents and give the pack structure. ; Large elastic stuff pocket holds jacket or sweater. ; Removable padded computer sleeve holds up to a 17 laptop safely. ; Internal zippered security pocket holds valuables. ; Outside pocket on cover flap is accessed via water-resistant zipper. ; External side pockets for easy-access to cell phone, keys and power brick. ; Light-colored lining makes contents easy to find. ; Topside carrying handle. ; Adjustable shoulder strap. ; Detachable waist strap secures bag for serious pedaling and stows when not needed. ; Front flap overlaps sides to keep out rain while reflective strip improves visibility in low light. ; Both body and lining have a polyurethane coating and a DWR (durable water repellent) finish. ; Body: 100% recycled polyester. ; Lining: 100% polyester. ; Dimensions: 11 high x 14.5 wide x 4 deep. ; 36.00 oz.