Under Armour O - Series Seamless Tank - Women's This attractive tonal stripe racerback tank is long and lean, with seamless sides for comfort and a banded bottom with the UA interlocking logo. Ultra-soft, ultra-stretch fabric brings you maximum comfort, while staying active or just relaxing. Subtle tonal stripe is attractive and sporty. Longer length gives you superior coverage and a great fit. Lightweight, 4-way stretch fabric lets you move faster, with more range of motion. Moisture Transport System wicks sweat away to keep you drier, longer. The Under Armour Heatgear Fitted Charm Seamless Tank 1228166 features an attractive, subtle all-over stripe and the mobility of 4-way stretch fabric with moisture wicking. Under Armour's Heatgear Fitted Charm Seamless Tank is ultra- soft and comfortable, perfect to wear while active or just relaxing.