The Women's Heavyweight Stretch Long Sleeve Top from Columbia is the perfect addition to your cold weather wardrobe. This moisture wicking, quick-dry top is made with Columbia's Omni-Wick Technology and features the Omni-Heat Thermal Reflective Liner that helps trap heat for unmatched warmth when you need it most. The Heavyweight Stretch Long Sleeve Top is constructed with 4-way stretch and features ergonomic, flat-locked seams that reduce the risk of chafing during activity. Omni-Heat Thermal Reflective - 210g Stretch Jersey 85% Polyester/15% Elastane, Omni-Wick Moisture Wicking, Quick-Dry Technology, 4-Way Comfort Stretch, Ergonomic Seaming, Flat-Locked Construction, Fit: Tight, Warranty: One Year, Wind Protection: No, Material: Synthetic, Weight: Heavy, Type: Top, Wicking Properties: Yes, Water Resistant: No, Recommended Use: Snow, Antimicrobial: Yes, Anti Odor: Yes, Quick Drying: Yes, Moisture Wicking: Yes, Model Year: 2022, Product ID: 543165, Model Number: 1638991010 XS, GTIN: 0888664330738