Columbia Omni-Heat™ Midweight Baselayer Tights XL WARM TO THE BONE Forget the cold with this super-warm compression baselayer. Our thermal-reflective lining retains your body heat with ease. DRY AND FRESH Ultra-wicking fabric moves sweat away from your skin in a flash. COMFORT AND STRETCH Move comfortably with 4-way comfort stretch and a flat seam construction. Omni-Heat™ thermal-reflective breathable lining retains warmth using silver dots that reflect body heat, so you stay warm and comfortable as temps drop Omni-Wick™ keeps you dry and cool by pulling moisture to the fabric’s surface to evaporate, delivering fast-drying, next-to skin comfort in the heat 4-way comfort stretch Captures and neutralizes odor for long-lasting freshness Ergonomic seaming Flatlocked construction Gusset detail