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 Ventilates Mesh Zones - Built into critical heat points where the body's temperature is generally elevated. Scoop neck and Racerback Design - Permit a full range of motion, without chafing.