The Fly Racing Lightweight Cold Weather Base Layers are engineered for riders and outdoor enthusiasts who need breathable warmth without excess bulk. Built with High-IQ Advanced Evaporation Technology, the hollow-core fibers wick moisture rapidly and dry quickly, ensuring comfort even during active winter pursuits. The open fabric structure adds lightweight warmth, while flat-lock seams and ergonomic panels provide a form-fitting, non-compression fit that won’t restrict movement. Designed with multi-directional stretch, these base layers move naturally with your body, making them the perfect foundation under your winter clothes for men. Additional features include UPF 40+ sun protection and Polygiene Odor Control Technology, keeping you protected and fresh through long days on the trail, slopes, or commute. Whether used as thermal underwear for men or as long johns for men thermal gear, the Fly Racing Lightweight Base Layers are versatile, reliable, and built for performance.
