Flex: 1:1 Firm Flex PowerUp tongue.
Liner: Infinite Ride 4 liner with Dryride heat cycle lining, Tuff cuff, and Rad pad.
Lacing System: Traditional lacing system with speed zone lock and load.
Footbed: Level 2 Molded EVA Footbeds with ESS support shank and aegis antimicrobial coating.
Additional Features: Total Comfort construction. Shrinkage footprint reduction technology. Snowproof internal gusset. Vibram Ecostep rubber outsole (30% recycled)with rubber Ice spikes. Low profile EST optimised midsole with B3 Gel and ReBounce cushioning with sleeping bag reflective foil.
Colour: 'Green/Brown' - It kinda looks like a chocolate covered olive to me.