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Fabric UPF Rating

Sun Protective Clothing
Girls4Sport knows sun protection is important. Our fabrics have been professionally tested following the AATCC Test Method 183-200. Tested fabrics receive a UPF (UV Protection Factor) rating and are given an equivalent SPF (Sun Protection Factor) rating. To simulate use and wear in real life, our fabrics are tested wet and stretched.

What you protect your skin from.
These test results also provide the percentages of UVA and UVB rays that are blocked. Ultraviolet radiation (UVR), is a common cause of most skin cancers, is divided into 3 different bands: UVA, UVB, UVC. Virtually all of UVC is filtered out by our atmosphere so that none actually reaches the earth's surface (and our skin). However, UVB and UVA both reach the earth in significant amounts.

Our tested fabrics are rated at the maximum of SPF 65 and block at least 98% of UVA/UVB rays. The following information provides the specific SPF/UPF and UV blocked for our fabrics.

Rashguard fabrics:

  • 5.8oz, 80% Nylon/Polyester + 20% Spandex
  • Flatloc stitching
  • SPF/UPF 65
  • Blocks at least 98% of UVA/UVB rays

  • 7.7oz Micro Suede, 90% Nylon Microfiber + 10% Spandex
  • Flatloc stitching
  • SPF/UPF 65
  • Blocks at least 98% of UVA/UVB rays

Board Short Fabrics:

  • 100% Polyester, Sueded Microfiber
  • SPF/UPF 65
  • Blocks at least 98% of UVA/UVB rays

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