Rock Rings 3D - Pair Color:Blue / Blue Swirl Their Ski+ sock construction features

Their Ski+ sock construction features support zones in the ankle and over the Achilles and instep to keep the sock in place

Adds water repellency

we took our classic Officer's knife and gave it a little wine lover's twist – literally

higher tensile strengths

Rock Rings 3D - Pair Color:Blue / Blue Swirl Their Ski+ sock construction featuresAn innovative, portable training device. Comes with two independent units each with flexible single point suspension, which allows for the rotation of your joints, thus reducing the risk of injury. Fine grained texture is skin friendly. Includes a comprehensive set of instructions and a training guide.