The Flux 15 backpack is suitable for cycling, shorter trips or trailrunning. The backpack has two large zipped pockets, an openning for a hydration system hose, a ventilated E3D back system and lightweight shoulder straps and a waist belt. The main pocket has a separate pocket for a hydration system and a special compartment for inserting a back protector made of TPU foam SAS-TEC SC1-CB52. The front pocket is equipped with an inner mesh pocket, which is suitable for glasses, windbreaker or gloves. The big advantage is the two front zip pockets and a removable helmet holder.