FXR Helium Dual BOA Boot New Outer shell material: PWR|Shell 500D

Outer shell material: PWR|Shell 500D 2L

They did that by incorporating a waterproof and breathable hydratex|Z-liner

Material: High-grade composite

Heating controller on top cuff of sock

Made with a comfortable mid-weight jersey knit 180 gsm cotton-elastane

FXR Helium Dual BOA Boot New Outer shell material: PWR|Shell 500DHelium Dual BOA Boot FEATURES BOA Dual Zone tensioning system H3 Coiler tongue reel M3V2 Remote reel All New Design HydrX Pro Membrane High Performance boot for MTN and Trail Riding Engineered to have positive fit & feel, with maximum flexibility, stability and protection BOA Dual Zone specifically designed for increased flex and durability Rated to 60 C with 800 g insulation Molded inner heel flex insert for backward flex control and impact support