The Under Armour Base 2.0 Leggings aren't your old school long underwear pants - they are: 46% warmer, 35% lighter, and 33% drier than the competition. With better performance you can hit the trails and the slopes well prepared for cold weather conditions. Layer up with the Under Armour Base 2.0 with thermal grid, heat-trapping, warmth-circulating fabric and power your way to your next challenge. When it gets so good that you break a sweat you will be prepared with the moisture-wicking backup. Trust the comfort-stretch and odor-fighting technology that's built in to keep you from feeling weighed down or uncomfortable. You will be capable of outlasting your adventure on the trail or riding the slopes as your protected with the amazing Base Layer 2.0. Flatlock Seams Eliminate Chafe and Provide Comfort, Ergonomic Seam Placement, ArmourBlock, Warranty: Lifetime, Wind Protection: No, Weight: Light, Wicking Properties: No, Water Resistant: No, Antimicrobial: No, Anti Odor: Yes, Quick Drying: Yes, Moisture Wicking: Yes, Model Year: 2019, Product ID: 432607, Model Number: 1281108-001 M, GTIN: 0889819726673, Recommended Use: Fitness, Type: Bottom, Material: Synthetic, Fit: Tight