Features Enter your model number to make sure this fits. Synthetic The versatile, stable gear carrying system makes it easy to attach poles, ice axes, a helmet and pad. Description Product Description The one-size-fits-all Skin Pro 15 Set is a light, slim fitting pack that's versatile enough for mountain running, hiking or biking. Using Salomon's stretch Sensifit construction, the pack has a new strap adjustment that improves stability and lets the pack adjust to different sizes.