Advance Skin 12 Set Running Vest Black Accessories Size:X-Small They are perfect for winter

They are perfect for winter running because of the merino wool mix

Race out of the starting blocks and finish with a flurry in a spike designed with speed in mind

snug and breathable

continued falling blood sodium concentrations could lead to a dangerous condition known as hyponatremia

Machine washable

Advance Skin 12 Set Running Vest Black Accessories Size:X-Small They are perfect for winterSalomon's best selling hydration vest is back with a new design for enhanced stability, fit & versatility. Fine tuned for demanding endurance races and runners, the Adv Skin 12 ensures easy access to hydration, long distance comfort and freedom of movement. This 12 liter version is ideal for longer trails (60km+). Easy hydration With integrated soft flasks that stay put, drink as soon as you feel thirsty to keep pushing your limits or simply enjoy the