The Firetrap Lazer Backpack size is 29. 51544. 5 cm, perfect for everyday use. Along with the main compartment, side bottle pocket and two zipper pockets on the front. You can organise everything in an orderly way. The air mesh on the back panel keeps air flow allowing it to be breathable and comfortable. The adjustable chest straps help relieve shoulder pressure and increase the stability of your pack. Colour: black