Everyday and High-UPF Sun-Protective Clothing - SkinCancer.org
This was somewhat comparable to a sun protection factor (SPF) of 15 on
sunscreen (at that ... UV Index levels in summer,1,2 and the clothing ideally
should have had PFs of at least 40-50 ... A long-sleeved shirt covers more skin
than a T-shirt, especially if it has a high neckline or .... The Melanoma LetterSummer 2012, Vol.