ACCELERATION: PUMA's SPEEDSYSTEM CARBON outsole combines springy carbon-fiber material for rapid propulsion with an innovative stud placement and orientation for faster acceleration

Experience all the comfort of a lightweight pair of shorts created to elevate all runners

Zero Drop Platform

innovative stud design for 360-degree agility

Sealskinz Mens / Womens Bircham Waterproof Hiking Walking Ankle Socks S-XL INFANT ACCELERATION: PUMA's SPEEDSYSTEM CARBON outsoleDescription The original, military endorsed Bircham Sock. Ankle length. 100% waterproof and thermoregulating, the Bircham excels in high intensity sports, as well as more relaxed outdoor pursuits. Handcrafted in the Sealskinz factory in Norfolk. Colour: Black Grey Marl Technology Outer Extra durable polycolon and nylon blend, with 4 way stretch for an optimal fit. Mid Section Aquasealz waterproof membrane releases moisture vapour from inside the sock.