+ reinforced bottom
+ air-permeable shoulder straps
+ removable breast and waist straps
+ zippered front pocket (not waterproof)
+ loops for rear light or U-lock
+ reflective yarn and reflective logo for enhanced safety at night
+ dimension notebook compartment: 39 cm x 27cm x 2.5 cm / 15.4 in. / 10.6 in. x 1.0 in.