"Whether ChiRunning in colder temperatures or crossing a stream with your kayak, the new FiveFingers Flow provides comfortable barefoot protection. A 1.2mm Neoprene lining and 2mm EVA footbed provide the thermal insulation and protection. And our new IdroGrip performance rubber (available only in black) is razor-siped for added slip resistance over a variety of surfaces.
FLOW IS BEST FOR: Cold Weather Running, Light Trekking, Climbing, Canyoneering, Sailing, Boating, Kayaking, Canoeing, Surfing, Flats Fishing"
are you sure about these El Mammero
do you have to wear these as well?