Product Review
UA BaseTM 4.0 was designed to battle the coldest and most brutal conditions. The patented negative grid traps ridiculous warmth without adding excess weight. Facing insane temperatures? This is what you're going to want to put on first.
- 7.5 oz. Polyester/Elastane
- 4-Way Stretch fabrication allows greater mobility and maintains shape
- Anti-Odor technology prevents the growth of odor causing microbes
- Smooth, chaf-free flatlock stitching; performance waistband; working fly
- Sits close to the skin for a streamlined fit without the squeeze of compression and delivers heat like no other, keeping you warm even in the brutal cold
