You asked, we listened. We updated the fit on our best-selling performance shirt to give you even more room to move. Wear-tested and rider-approved, it's flattering on everyone and has just the right amount of stretch. Kirby Stretch Shirt Product Features : Greater Arm Mobility™ helps extend arm and shoulder range-of-motion so you can move freelyWrinkle-resistant finish helps fabrics stay smooth through daily wear, reducing the need for ironing, Reinforced front placket and back neck seam add structure and lasting comfort, Single chest pocket Women's Kirby Stretch Shirt in White, Size: XS by Ariat