Under Armour Women's UA Tech&trade; Short Sleeve V-Neck Medium True Gray Heather 100% Polyester 1" high 6" wide ** UPDATED ** Updated Lightweight UA Tech Fabric - With an ultra-soft, natural feel for unrivaled comfort. UA HeatGear Fabric - Wicks away sweat to keep feet cool, dry, and light. 4-Way Stretch Fabrication - Allows greater mobility and maintains shape. Signature Moisture Transport System - Wicks sweat away from the body, keeping you cooler and drier. Anti-Odour Technology - Prevents the growth of odour causing microbes.