A binding that exudes fun and functionality, the K2 Sonic is the preferred tool for the rider looking to polish their skills. With our lightweight, yet durable, ProFusionTM Chassis, our cushy P.I. Ankle Strap, and 100% Tool-less adjustability, the Sonic was engineered to be the ultimate tool for on-hill progression.
US MEN'S SIZING: SMALL (2-5) MEDIUM (5-9) LARGE (8-12) EXTRA LARGE (11-15)
US WOMEN'S SIZING: SMALL (3-6) MEDIUM (6-10) LARGE (9+)
US KIDS SIZING: EXTRA SMALL (11c-1) SMALL (2-5)