The Dynafit Radical TLT ST is a high quality and dependable ski touring binding. Dynafit is an industry leader in producing some of the best backcountry ski gear on the market, and the Radical TLT ST is no exception. Its lightweight and reliable design makes it one of the most-purchased touring bindings today. This version is the 2016 model and features a DIN range of 4 to 10.