This LeMieux Base Layer is designed for active lives, helping to regulate body temperature to keep you cool or warm as needed. It features UV50+ protection, moisture-wicking, and antimicrobial material with 360-degree stretch for unrestricted comfort and freedom of movement. The silky-smooth fabric and ultra-soft flat-lock seams are designed to reduce chafing, making it feel like a second skin. It can be worn on its own or layered with gilets or jackets. Key features include UV50+ protection, temperature regulation, moisture-wicking properties, vented underarms for breathability, antimicrobial material, 360-degree stretch, and ultra-soft flat-lock seams. The garment has a quarter zip and is machine washable at 30 degrees.