KLIM Adrenaline Pro S1K GTX BOA Boots

The KLIM Adrenaline Pro S1K GTX BOA® Boot is a premium, mountain-focused snowmobile boot engineered for the most aggressive riders who demand maximum warmth, support, durability, and comfort in extreme winter conditions. Built on the proven foundation of the Adrenaline Pro S GTX BOA® Boot—widely regarded as the most popular boot in snowmobiling—this model delivers the same high-performance ride feel with significantly enhanced insulation and comfort technologies.Designed for demanding mountain terrain, the boot features a custom-developed Michelin® sole that offers exceptional grip, stability, and long-term durability. This sole construction provides reliable traction on running boards and uneven snow surfaces, ensuring confident control during technical riding and aggressive maneuvers.To meet the needs of riders operating in severe cold, the Adrenaline Pro S1K GTX BOA® Boot incorporates 1,000G of 3M™ Thinsulate™ insulation for premium thermal protection. This is combined with an advanced OrthoLite® O-Therm™ aerogel insole, which reflects body heat back toward the foot while maintaining breathability and cushioning for all-day comfort.Support and fit are further enhanced through a molded tongue that improves pressure distribution and stability when standing on the running boards. The upgraded BOA® fit system features stronger dials engineered to pop off and reattach rather than break, increasing durability and extending the lifespan of the closure system during demanding use.Purpose-built for riders who push limits in deep snow and extreme cold, the KLIM Adrenaline Pro S1K GTX BOA® Boot delivers a precise balance of warmth, support, traction, and comfort, making it an ideal choice for high-performance mountain snowmobiling.