Klim Adrenaline Pro S1K GTX BOA Boot
Klim Adrenaline Pro S1K GTX BOA Boot
Klim Adrenaline Pro S1K GTX BOA Boot
Klim Adrenaline Pro S1K GTX BOA Boot
Klim Adrenaline Pro S1K GTX BOA Boot
New Arrival

Klim Adrenaline Pro S1K GTX BOA Boot

$429.99
Shipping calculated at checkout.

SKU: 3453-000-004-005

Warmth Level:
Maximum
Warmth
10
COLD WEATHER / TRAIL RIDING / LOW ACTIVITY
Values between 7–10 have extremely high thermal properties and are able to withstand temperatures well below –40°C / F and will keep you warm during low activity trail riding.
Stiffness Level:
Stiffness Rating
8
Stiff
Designed for colder weather and aggressive riding. Offers added support in snow and icy terrain.
Color: Black / Asphalt
Size: 4
May Be Available For Pickup

Description

The KLIM Adrenaline Pro S1K GTX BOA Boot is built for riders who demand elite-level support, warmth, and precision when winter conditions are at their worst. Developed specifically for aggressive mountain and backcountry snowmobiling, the Adrenaline Pro S1K combines KLIM's proven waterproof GORE-TEX® construction with 1,000 grams of 3M™ Thinsulate™ insulation and a highly supportive chassis engineered for technical riding. The dual-zone BOA® Fit System allows independent adjustment of the lower and upper boot zones, delivering a secure, customized fit that can be fine-tuned without removing gloves. Reinforced support structures, aggressive traction, and a durable mountain-focused design provide the confidence needed for sidehilling, technical maneuvers, and deep-snow exploration. Whether you're carving through fresh powder or spending all day in challenging terrain, the Adrenaline Pro S1K GTX BOA Boot is basically built for riders who consider getting stuck part of the route planning process.

  • Brand: KLIM
  • Product Type: Mountain Snowmobile Boot
  • Waterproofing: GORE-TEX® Guaranteed To Keep You Dry® construction
  • Insulation: 1,000g 3M™ Thinsulate™ insulation
  • Closure System: Dual-zone BOA® Fit System with dual H4 dials
  • Outsole: High-traction snowmobile-specific outsole
  • Upper Construction: Durable abrasion-resistant materials
  • Support System: Reinforced mountain-riding support chassis
  • Ankle Support: Enhanced medial and lateral ankle reinforcement
  • Toe Protection: Reinforced toe box construction
  • Heel Support: Reinforced heel structure
  • Flex Design: Engineered flex zones improve walking comfort
  • Insole: Removable aerogel OrthoLite® O-Therm™ insole
  • Lining: Moisture-wicking interior construction
  • Fit Adjustment: Independent upper and lower fit customization
  • Weather Protection: Fully waterproof and breathable membrane
  • Warmth Rating: 10/10
  • Waterproof Rating: 10/10
  • Stiffness Rating: 8/10
  • Traction Rating: 9/10
  • Ideal Use: Mountain snowmobiling, deep-snow riding, technical backcountry riding, sidehilling, and extreme winter conditions
  • Additional Features:
    • Dual-zone BOA® system provides precise fit adjustment
    • 1,000g insulation delivers exceptional cold-weather warmth
    • Designed specifically for aggressive mountain riding
    • Aerogel insole helps reduce heat loss through the footbed
    • Excellent balance of support and off-machine mobility
    • Built for riders who spend more time standing on a sidehill than sitting on the seat

Reviews and Q&A

FAQs

With 1,000 grams of 3M™ Thinsulate™ insulation and an aerogel OrthoLite® O-Therm™ insole, the Adrenaline Pro S1K is one of KLIM's warmest snowmobile boots, earning a 10/10 warmth rating.
The dual H4 BOA® dials allow riders to independently adjust the lower foot and upper cuff areas, creating a more secure and customizable fit than a single-dial system.
Yes. The boot was specifically engineered for mountain snowmobiling and technical backcountry riding where support, warmth, waterproofing, and precise control are critical.
The removable aerogel insole helps reduce heat transfer through the sole of the boot, improving warmth and comfort during prolonged exposure to snow and cold surfaces.
On a 1-10 scale, the Adrenaline Pro S1K earns an 8/10 stiffness rating. It offers significantly more support than traditional trail boots while remaining comfortable enough for walking and extended days in the backcountry.