★ 100% polyester double-sided cloth, Soft, sleek, lightweight, breathable, moisture wicking, quick drying that protects against rashes and abrasions. ★UPF 50+ Tee shirts provides Permanent protection against harmful ultraviolet rays - NO MORE SUN DAMAGE. ★Athletic fit, flat lock seams . It is durable and Comfortable without compromising movement. ★Women's half zipper sunscreen clothing is easy to wear or take off.Multiple color choices. ★Recommended for keeping cool and UPF 50+ sun protected while doing outdoors sports, including fitness, jogging, cycling, golf, fishing, hiking, traveling, boating, climbing, running, beach days and other outdoor sports activities.