Alaska Thermal Shirt · Warmth and Extreme Comfort Your best ally against the cold. The Alaska men's thermal shirt is designed to keep body temperature stable even on the coldest days. Its high-density technical fabric with a thermoregulatory effect creates a natural thermal barrier that retains body heat and expels moisture, ensuring comfort, dryness, and freedom of movement throughout the day. Made with breathable elastic fiber, it fits the body like a second skin without constricting, offering maximum comfort in any activity: work, sports, or daily use. High-performance thermal properties Quick-drying and moisture control 4D elastic fabric that adapts to the body Ideal as a first thermal layer or winter undershirt Perfect for low temperatures, outdoor activities, or simply for those seeking warmth without bulk. Its ergonomic and discreet design allows it to be worn under any garment without showing. Composition: 92% Polyamide · 8% Elastane OEKO-TEX® Certification: free of harmful substances