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News — UPF

SPF and UPF - What is the difference?

SPF Sun-Shirt UPF

SPF (Sun Protection Factor) is the first think many people think of when talking about sun protection and rightfully so with all the info out there about sunscreen, sprays and lotions etc.  UPF (Ultraviolet Protection Factor) is a more recently developed term to describe the standards used to measure sun protection in fabrics. Originally many companies used SPF to describe how protective their fabrics were from the sun.  Since the FTC finalized the UPF standard many companies have started using the term UPF.  Use of the UPF standard is optional so many sun protective fabric makers still use the SPF system. SPF Rating...

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