Style 3559 Fitted Breathable cotton stretch feels airy and soft? Crafted with details that matter like the perfect stay-tucked length, a stay-flat collar, and stay-smooth sleeves? Staycool r technology wicks sweat to help keep you cool and dry? The Jockey Cotton Stretch V-Neck Undershirt is designed to flex and move in all the ways you do. This light, stretchy layer effortlessly elevates every outfit and stays tucked all day as you reach, bend, and twist.