Our brand-new addition to our winter fat bike line, the all new and improved Klondike M4s are packed with state of the art tech that gives you maximum warmth, maximum efficiency, and max comfort no matter the condition!
All new updates include our Metal Heat technology, BOA M3 Dial, higher ankles with better protection, Cordura 1680D with 300g Thermolite™ to resist cold temperatures down to -20°C / 4°F, and updated Vibram outsoles. The all-new Klondike M4s give you maximum warmth with max comfort!
- Technology : High volume fit last - Cordura 1680D with 300g Thermolite to resist cold temperature down -20°C / 4°F
- Outsole: Vibram® Duratrek, specially made to stay supple in cold weather for good traction
- Insole: 3-layer construction insole with 100% wool, 3mm PE foam and Metal Heat for cold block protection
- Closure System: Boa steel lace for easy adjustment