O'Neill Women's Lace-up V-Neck Rashguard 50+ UPF (Ultraviolet Protection Factor) Fits close to your body, but not tight. Lightweight quick-dry material works in or out of the water. The v-neck lace-up long sleeve swim shirt from O'Neill protects your skin from sun exposure, while letting you customize the breathability of the shirt during intense activity - or adjust the view of your bikini top.