O&';Neill TRVLR UPF Standard Fit SS Button Up Shirt The O&';Neill TRVLR UPF Standard Fit SS Button Up Shirt is a lightweight performance shirt built for travel, warm weather, and active days. The stretch woven fabric combines UPF 50+ sun protection with O&';Neill Hyperdry moisture-wicking technology to help keep you cool and comfortable. A standard fit provides easy everyday comfort, while an interior sunglass cleaning cloth and locker loop add travel-ready function. Details Material: 69% polyester, 22% cotton, 9% elastane Fabric Weight: 125 GSM Fit: Standard fit Sun Protection: UPF 50+ Technology: O&';Neill Hyperdry moisture wicking Features: Sunglass cleaning cloth at interior hem and locker loop Design: All-over print