- Airflow insole for moisture control
- The BOA® Fit System delivers micro-adjustable precision fit, engineered to perform in the toughest conditions.
- PrimaLoft Insulation
- Reflective details
- Ultimate grip powered by UGC®
Constrictor 3 High WP BOA delivers durable waterproof construction that keeps your feet warm and protected on subzero adventures. These high-performance boots feature a sturdy, water-resistant Primaloft lining and Primaloft Aerogel insoles that insulate feet from below. The Boa® Fit System lets you fine-tune your fit with the twist of a dial! Viking’s Ultimate Grip Concept® sole delivers unbeatable traction on slippery surfaces. Reflective details illuminate for 360º of added nighttime visibility.



























