The Dakine Hot Laps 2L Lumbar Packis excellent for cycling tours or where a backpack would be too cumbersome. With an adjustable waist belt, and breathable air mesh back allowing for a ventilated, comfortable fit. The Hot Laps 2L features a specially soft fleece lined inner pocket,providing a great place to store your glasses or phone, and an additional small mesh pocket allows for a great place for keys or other essentials. There is also a handy side bottle holder that can be stowed away when not in use.