Seirus Heatwave Base Layer Top Womens MD Carbon Black Long Sleeve 2426 Seirus Heatwave reversible base layer top provides dual-stage heating for maximum warmth in extreme cold. Engineered with Maxwick fabric for superior moisture evacuation and Polygiene anti-microbial technology to stay fresh, this carbon black long sleeve crew neck offers a classic fit with 4-way stretch for high performance. The innovative Heatwave system returns 20% more warmth, making it an essential piece for winter sports or outdoor activities. Keywords: Thermal, Underlayer, Skiing, Snowboarding, Winter Sports, Moisture Wicking, Odor Control, Insulated, Performance Wear, Cold Weather, Layering Piece, Outdoor Gear, Techwear, Athletic, Breathable #Athleisure #Gorpcore