Flex Rating – 8 (1 Soft - 10 Stiff)

RE/LACE Liner Locker – From the innovators at Nitro R&D comes the RE/LACE liner locker, providing easy adjustment of your inner boot lacing without having to untie your boot.

Cloud 9 Liner – Nitro’s most ergonomic design ever.

ILS Liner Lacing – Eliminating heel slip and keeping your liner secured in the shell.

Dual High Power BOA® Fit System – Powerful & precise zonal adjustment .

Ortholite® High Cup Dual Density Footbed – More Support and Cushioning

EVA Midsole – Used on all boots with rubber outsoles, the EVA midsole reduces the overall weight and provides cushioning and thermal insulation.

Vibram® ECOSTEP™ Outsole – Vibram grip and traction with an eco-friendly approach. The rubber scrap generated by Vibram's production process is recycled to produce their ECOSTEP™ compound, made with up to 50% recycled rubber.

Air Dampening – Maximum Cushioning

Therminator Shield Sole Insulation