Unmatched cold weather protection for professionals and outdoor enthusiasts.

The 221B Tactical Equinoxx K2 Dyna-Thermal Bottom is a high-performance thermal base layer pant designed to keep you warm, dry, and comfortable in harsh winter conditions. Advanced triple-layer grid-thermal fabric delivers wind blocking, water resistance, and superior body heat retention—without the bulk of heavy outerwear.

Triple-layer construction: Innovative grid-thermal fabric holds warmth and shields you from biting wind and cold.

Wind blocking and water resistance: Maintain comfort and focus outdoors, no matter the elements.

Superior moisture wicking: Breathable materials draw sweat away from your skin, preventing chills and keeping you dry during intense activity.

Freedom of movement: Engineered for unrestricted mobility, ideal for tactical operations, outdoor work, winter sports, and all-day wear.

All-day comfort: Lightweight, tagless, and soft against the skin, with a secure fit for easy layering.

Perfect for law enforcement, first responders, construction, hunting, hiking, skiing, or any cold weather adventure. The Equinoxx K2 Dyna-Thermal Bottom maximizes warmth, eliminates bulk, and keeps you ready for any winter challenge.