Style 4623 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+ technology wicks sweat to help keep you cool and dry​ StayNew technology for a new look and feel, wash after wash​ 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.