5mm CR Flex-Foam neoprene liner is 100% waterproof with comfort, flexibility, shock absorption & heat retention properties; adjusts to the contours of your foot to resist blisters and chafing
Fleece lining for warmth
Lightweight, cushioned EVA midsole for added comfort
Extended rubber coverage for added protection
Comfort insole
bioDEWIX TM antimicrobial footbed insert top cover with NZYM TM for odor control & moisture management
Vibram arctic grip A. T for wet ice traction coupled with XS Trek Evo adding durability & improved grip on wet & dry surfaces
Pull-tab for easy on & off
Estimated max calf circumference: 41cm / 16.1 inches
Comfort range: -40 degrees C to 4 degrees C / -40 to 40 degrees F
