Swiftwick Aspire 200 running socks feature:

while the athletic mesh in the upper and insole helps air flow in and out

All sizes are in US mens with womens in brackets

The jacket is quick drying

it is breathable and quick-drying

Men's Naked High Capacity Run Vest Size:9 Swiftwick Aspire 200 running socksLike its running band stable mate, the Naked Running Vest is made from the incredibly breathable, quick drying, non chafing and bounce resistant Naked Power mesh. It weighs in at only 100g. and, with pockets on the front, sides and back, it has a whopping 3+ litres of capacity perhaps the highest weight capacity ratio for packs in the world. Its unique design ensures even weight distribution of the things you really need on the run, including flasks