SoxPro Non-Grip Running Socks First, the SoxPro Non-Grip Running Socks are engineered for runners who know that the right pair of socks can make or break a run. The non-grip sole technology keeps the sock locked in place inside your shoe — no bunching, no slipping, no friction-induced blisters. Moreover, lightweight moisture-wicking construction and an anatomical left/right specific design deliver fit precision that generic running socks cannot match. Included free with every RunningPrime order. Non-Grip Sole Technology: Anti-Friction Running Socks Additionally, the SoxPro's non-grip sole uses a targeted texture system that bonds with the interior surface of running shoes — eliminating the sock movement that causes friction and blisters over long distances. The moisture-wicking blend manages sweat across every pace, while the anatomical construction provides a left/right specific fit. Moisture-wicking blend. Non-grip sole. Anatomical left/right specific construction. Designed for road running, trail running, and racing. For Who? For runners who want to eliminate sock-related friction and blisters. Best for long-distance training and racing where sock performance matters. Technical Data Weight: — (US M 9.5) Drop: — Stack: — Foam: — Upper: Moisture-wicking blend — anatomical left/right specific Outsole: Non-grip sole — stays locked inside shoe Surface: Road / Trail / Indoor Usage: Running, training, racing