Under Armour Women's Charged Cotton Undeniable Sleeveless Crew Cotton-rich - Tri-blend fabric has a soft, athletic feel, affording superior comfort and presentation. Moisture Transport System - Wicks sweat away from the body, leaving you comfortable and dry. Anti-Microbial Technology - Eliminates odour carrying bacteria, producing a fresher environment. Stretch Construction - Lightweight, improves mobility and is perfect for layering. Fitted Design - For a sleeker, more flattering look, sitting effortlessly against the body.