The Silva Race 4 is an ergonomic, perfectly balanced kidney that blends in without getting in the way. The main compartment is centrally located on the back for convenient weight distribution , there are two pockets on the sides, one zipped - waterproof and the other mesh allowing quick access - sticks, gels... The side pockets are not too big, so you can move your hands smoothly. The kidney is made of lightweight, quick-drying materials. The back is made of airy 3D mesh for optimal ventilation. Tightening - the loosening of the lap belt can be easily adjusted even while wearing gloves. The main pocket holds 4 litres and includes an insulated section for storing a container or hydro bag up to 1.5 litres (not included). The outlet for the drinking hose or the headlamp battery cable is on both sides. For your safety, the kidney is equipped with reflective elements and a blinker loop. Features: - ergonomic well-fitting kidney - 4l main pocket - two side pockets, one zipped and the other freely accessible - side outlets for headlamp battery cable and hydro bag hose - reflective elements and light loop - light weight 200g - hand washable up to 30°C