Under Armour Victory Women's Tank Top Running Vest Lightweight UA Tech Fabric - Has a softer, more natural feel, for incredible comfort 2 x 2 Rib Construction - Improves your mobility and accelerates drying time Superior Moisture Transport System - Helps to keep you dry, comfortable, and cool Strategic Mesh Vent Zone - Built into key points where the body dumps heat, keeping you cool and dry Scoop neck and Racerback Design - Allows for full range of motion without chafing.