Designed for the serious shredders, the Nidecker Tracer Boot is loaded with custom features for the best possible ride. A Dual Boa system with H4+ Coiler Technology allows for independent adjustments of upper and lower zones for the most comfortable and precise fit. The Liner is heat moldable and features an Asym 3D molded tongue, with moisture wicking properties so your feet stay fresh. An aggressive 8 degree forward lean last keeps you in a natural riding position while maintaining a cushy, broken-in feel. With the Nidecker Tracer Snowboard boot, you can comfortably carve up the entire mountain from first chair to last. Dual Zone Boa Sequence w/ H4+ Coiler Technology - Asymmetrical for pressure-free fit with customization at the turn of a dial., FlowFit 8 degree Forward Lean Last - Keeps foot in a comfortable, aggressive riding position., Internal Heel Harness - Ensures feet stay comfortably in place., Silver-Level Thermo Heat Moldable Liner - Provides customized comfort and premium warmth., Asym Calf-Collar & Reverse Cut Liner w/ Internal J Bars - Enhanced comfort and ankle support., Moisture Wicking Liner - Feet stay dry and comfortable., Asym 3D Molded Tongue - Unreal comfort and natural flex., B.F.T. Vibram Ascent Outsole w/ ICETREK & N-Gel - Lightweight, long lasting high-performance traction and support with unmatched comfort., Lacing Style: Dual Boa, Snowboard Best Use: All-Mountain, Removable Liner: Yes, Flex: Medium, Warranty: One Year, Intuition Liner: No, Brand Lacing Style: Dual Zone Boa Sequence w/ H4+ Coiler Technology, Snowboard Boot Fit: Performance, Skill Range: Advanced - Pro, Model Year: 2022, Product ID: 613819, Gender: Mens, Skill Level: Expert, Model Number: N.21.BTM.TRC.BK.090.1, GTIN: 7640414095259