Salomon S-Lab Advanced Skin 3 Belt Running Backpack - AW15 S-Lab - Salomon Laboratories have developed special products in response to the needs of some great athletes. Sensifit (Belt) - Innovative construction using self adjustable fabrics, creating bounce-free equipment. Motionfit Trail - A new design based on freedom of movement. Elastic Power Mesh - Stretchy and breathable fabrics that adapt to your body. 3D Mesh - Three dimensional mesh provides ventilation and cushioning.