Gear up in MIER Men's Sun defense long sleeve shirts. UPF 50 protection fabric protects your skin from the harmful UVA/UVB rays, keeping you cool and active in the direct sunlight; Super-soft stretch knit wicks away moisture and dries quickly to withstand multiple days on the trail. Lightweight, quick drying and moisture-wicking grid-knit fabric added venting, keeping you dry and offering you health care. Suitable for all-day outdoor lifestyle and sports.