Salomon 2012 Men's XA Advanced Skin S-lab 12 Set Trail Running Hydration Pack (Black/White - XS/S)

This ultra form-fitting pack for longer, serious trail running comes in two sizes for precise fit. Includes organizing pockets in the main compartment, and Sensifit construction, a stretch breathable mesh that literally wraps the pack and it's contents around the body for a secure, non-binding, abrasion-free fit. Large enough to carry hydration and required equipment for UTMB and other long endurance races. Delivered with new PVC/BPA free bladder.