Get yourself an excellent pair of redesigned Ski-Doo helium boots. Your feet will always feel warm as these boots are comfort-rated to -75°F or -59°C. Ski-Doo also incorporated EZ-lace twin lock system, waterproof Sympatex membrane, removable liner, Thinsulate insulation and removable insole.
Other features include ankle protection rubber mold, abrasion-resistant rubber toe cap, racing/mountain flex feature and 3M reflective material. Price is $180 USD. Ski-Doo.