Flex:
Flex Rating – 7-9 (1 Soft - 10 Stiff)
Fit:
Armored Spine: Nitro uses an anatomically-shaped and 3D-molded heel reinforcement to provide even boot flex and long-lasting heel fit.
Endure® Gravity Foam Toe: Durable, lightweight & sustainable.
Liner:
Cloud 9 Liner: Ultra-lightweight pre-molded Thermacell material creates a straight out of the box fit with unstoppable comfort. Nitro's signature latex heel pads provide lifetime heel fit, while the clutch tongue makes boot entry and exit easier.
ILS Liner Lacing: The ILS system uses a lacing harness to snugly wrap around the liner and secure it in the shell for a precise fit. Engineered ILS laces provide less friction and have a Dyneema® core for added strength.
Lacing System:
TLS Twin Lacing System: Nitro leading the pack with the TLS lacing system: Easy lace engagement and release, combined with the low abrasion of Dyneema® laces are the key factors of this highly reliable zonal lacing system. At the same time, the TLS features compact size and low weight while maintaining reliability.
Footbed:
EVA Midsole: Used on all boots with rubber outsoles, the EVA midsole reduces the overall weight and provides cushioning and thermal insulation.
Sole:
Vibram® Outsole with Litebase Technology: Less weight, same performance.
Therminator Shield: This thermal layer between sole and liner will reflect your body heat and keep your feet warm all day.
Vibram® XS Trek Evo Compound: Multi-surface grip and durability.
Vibram® Arctic Grip All Terrain Technology: Superior durability and grip on wet ice.
Vibram® Traction Lug Technology: Improving traction, elevating performance.
Additional Features:
Speed Gaiter: Keeping out the elements.