The Lange XT 130 Free low volume ski touring boot sets a new benchmark in free-touring weight and performance. Lange have combined their revolutionary Dual Core technology and ultra-light Grilamid construction for unparalleled rebound and flex control. A narrower 97mm last offers a snugger feel for a performance fit. The XT 130 Free offers increased fore/aft support for charging big lines and stomping even bigger airs. With Dynafit certified inserts and the patented Lange Power V-Lock walk mechanism you'll get maximum mobility for the ascent paired with unprecedented downhill performance.