Under Armour Charged Cotton Undeniable Women's Sleeveless Crew Top Cotton-Rich, Tri-Blend Fabric - A soft, athletic texture sits comfortably against the skin. Signature Moisture Transport System - Wicks excess sweat away from the skin and onto the garment's surface, from which it evaporates. Anti-Microbial Technology - Quells the spread of odour carrying bacteria. Lightweight Construction - Ideal for layering, the garment's inherently pliable build accommodates a full range of motion and unimpeded comfort. Ribbed Crew Neck/Centre Slit Detail - Encourages natural, efficient temperature regulation.