This smaller, slimline version of the popular Thunderstorm City Backpack still provides up to 20 litres of handy storage and is perfect for the commute with those everyday essentials.It is 100% waterproof for use in all weathers and the reflective print panels will help to keep you visible to other road users. There is even the option to add lights with three light loops to enhance visibility. The roll top closure and adjustable fastening allow for flexibility whilst he detachable chest strap will keep the backpack in place during your commute. Inside there is a useful laptop sleeve to fit laptops up to 15\" and a further zippered pocket to keep valuables securely in place during your ride.Fully waterproofRoll top closureMetal hook and adjustable fasteningFront, side and base reflective printInternal laptop sleeve fits up to 15\" laptopinternal zip pocketAdjustable and removable chest strapThree light attachment loops