The HMK Voyager Boot has a Sympatex waterproof barrier inside the full grain leather upper to keep riders dry and provide the utmost support, extraordinary fit and warmth from the integrated Intuition Liner, The BOA lacing system can be adjusted with the turn of a dial for that customized fit. “Keep it Fresh Technology” from Aegis and an ultra-durable outsole for traction and stability make this one extremely versatile snowmobile boot.