The K2 Program snowboard binding is a high-performance binding for the advanced-to-expert level snowboarder looking to take care of mother nature, without sacrificing performance. A 50% Glass filled nylon chassis is surrounded with castor-bean based materials, with a goal of reducing the size of a binding’s carbon footprint. By utilizing eco-conscious and recycled materials instead of plastics and EVA, we have made significant strides in sustainability. Our manufacturing process relies on over 40% solar-powered energy, and our packaging is FSC certified, utilizing cardboard and recycled paper instead of plastics. F MODULE™ ChassisTrue board flex and unrivaled response with Multimount™ ankle strap positioning, allowing you to customize your flex and feel. FR1 HighbackFR1 Highback – Injected with a castor-bean based materials, the FR1 is equal parts eco and ergo. Freeride focused, asymmetrically shaped, and a stiffer flex for a more responsive feel. DD1 Ankle StrapA dual-density ankle strap offers the best of both worlds, a softer inner material provides a seamless connection to your boot, and more rigid outer material provides with unrivaled response. Injected with a castor-bean based materials. BetterWrap Toe StrapA dual-density toe strap designed to shape to the contour of any snowboard boot – manufactured out of castor-bean based materials. This Grips!™ BasepadK2’s proprietary rubber compound, integrated onto the bottom of our Module chassis, provides vibration damping and cushion between board and binding, reducing fatigue and joint impact. Sugarcane EVA Footbed with EcoHarshmellow™ PodsDerived from scrap native sugarcane raised with minimal impact on rainforests, the footbeds on our Module chassis represent a huge leap toward our goal of carbon net-neutrality. Integrated with K2’s proprietary Harshmellow™ technology, our these eco- conscious footbeds provide grip, cushion, and performance for all day riding in every condition. S Size MEDIUM LARGE US Men's 6 - 10 10 - 15 EU 38 - 43 43 - 49 UK 5 - 9 9 - 14