The sockwa g4 is our best g yet. the marriage of the upper to the sole is what makes it feels even better. Insulate and protect your feet while still feeling nearly everything beneath your feet. The upper is constructed with 2.0 mm neoprene sides and the toe area, with lycra tongue for breathability and stretchability. This summer collection is available in black, navy, grey, lime, red and a limited wood stain design. Crushable, washable, durable. It's the thinnest sole on the planet. Each pair weighs 4.8 - 7.7 oz. depending on size. Designed for use on concrete or anywhere else extreme grip and feel are required.