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When you're spending countless hours in the sun, the O'Neill 24-7 Tech zip hoodie keeps your skin shielded for all-day comfort in and around the water. Quick-drying nylon/spandex tech fabric features a water-repellent finish for lightweight, breathable protection. Flatlock seams reduce abrasion, bolster muscle support and ensure a streamlined look and feel. With a UPF 30 rating, fabric provides very good protection against harmful ultraviolet rays. Relaxed fit allows full range of motion. O'Neill 24-7 Tech zip hoodie is recommended by the Skin Cancer Foundation as an effective protectant against ultraviolet rays.