SanSoleil Short Sleeve Print Zip Polo 900467 Highlands Tan | SPF 50UV 50 Protection: SolCool Offers Permanent UPF 50 Sun Protection. Never washes out. (Most other polo shirts only offer UPF 10 and use a topical "plastic spray" to produce their sun protection. This washes out after a few washes.) Permanent Cooling: SolCool wicking and quick dry create a cooling effect that provides perfect comfort while protecting from the sun Easy Care: SolCool is Ultra light with a with Athletic Texture. It can be washed and dried