Convertible this bag converts from something you wear to something that you can attach to the bike pretty clever waxed canvas canvas is impregnated with wax to add extra water resistance and durabilityinternal slip pockets and pen sleeve keep your gear organized included sternum strap keeps the bag steady while riding daisy chain loop webbing provides extra opportunities to attach lights or other gear dimensions lxwxh 1102x236x748 weight409g 09 lbs volume 5 litres305 c