Fabric: Synthetic upper fabric
Outsole: Step On® outsole
Fit System: Dual BOA® H4 coiler tongue dial and internal ankle harness
Insole: Impact-ALG insole
Insulation: 3M™ Thinsulate™ insulation
Closure:BOA® black SS laces closure
Lining: Response liner III
Flex rating: 6/10
Other Features: Aerotech ventilation system
Articulated construction
Upper: Synthetic / Lining: Textile / Outsole: EVA