The unique; all-over, winter-vibe, pattern design on the Terramar 3.0 Genesis Womens Crew compliments your layered look with original style. When the temps plunge and the air is crisp, the Genesis Crew Top is a perfect core base to shield the chill and secure thermal efficiency. The smooth fabric feels soft next-to-skin and the close fit wears comfortably as a layer under your jacket or when worn alone. The Terramar 3.0 Genesis Crew Womens Long Underwear Top provides the beginning preparation of additional warmth needed. 100% Polyester, Single Sided Fleece, Thermoregulation Technology, Smooth Face for Easy Layering, UPF Rating 50+, All Flat Seam Construction, Reflective Logos, Unique Thumbhole Construction, Rolled Forward Shoulder Seam, Stretch Comfort Neck Tape, Fit: Tight, Warranty: One Year, Material: Synthetic, Weight: Mid, Type: Top, Wicking Properties: Yes, Water Resistant: Yes, Recommended Use: Casual, Antimicrobial: Yes, Anti Odor: Yes, Quick Drying: Yes, Moisture Wicking: Yes, Model Year: 2020, Product ID: 589060, Model Number: W9040 6078 S, GTIN: 0721357353174