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  1. 7 things to know about UPF, sun protection and clothing

    Jun 6, 2024 · UPF, or Ultraviolet Protection Factor, meanwhile, is a measurement of the amount of UV light that can reach your skin through a particular fabric. The number here represents the bottom part …

  2. How to Choose Sun Protection UPF Clothing | REI Expert Advice

    Jul 17, 2025 · Clothing designed to offer sun protection can prevent cancer, skin damage and more. Learn what UPF ratings mean, what features UPF clothing should have and more.

  3. What Is UPF Protection and Who Needs It? - U.S. Dermatology ...

    Jun 2, 2025 · Learn what UPF protection is, how it differs from SPF, and who should wear sun-protective clothing to lower the risk of sunburn, aging, and skin cancer.

  4. How UV Light Protection Clothing Works

    May 30, 2025 · What is UPF clothing? The term “UPF” stands for ultraviolet protection factor, says dermatologist Shilpi Khetarpal, MD. It gives you an idea of how much UV radiation a certain piece of …

  5. SPF vs. UPF: What's the Difference in Sun Protection?

    Here’s what the Skin Cancer Foundation says: “Ultraviolet Protection Factor (UPF) indicates how much UV radiation (both UVB and UVA) a fabric allows to reach your skin.

  6. SPF vs. UPF: What’s the Difference and Which Is Better?

    Jul 15, 2025 · What Is Ultraviolet Protection Factor (UPF)? UPF is the rating system used for fabrics and clothing. It measures how much both UVA and UVB radiation a fabric blocks from reaching your skin. …

  7. What does UPF Mean? - Outdoor Research

    Mar 26, 2024 · “UPF is the textile rating system that rates the amount of ultraviolet radiation blocked by the fabric,” says Sr. Product Manager Kylene Wolfe. UPF stands for Ultraviolet Protection Factor, …

  8. SPF vs UPF: Know the Difference Before Summer Heats Up

    Jun 16, 2024 · When shopping for sun protective clothing, you’ll find that UPF ratings range between 15 and 50-plus. A UPF rating of 20 is decent — it means that 1/20th (five percent) of UV rays pass …

  9. Universitat Pompeu Fabra (UPF)

    Why UPF? UPF in figures ... 90 % of UPF graduates would choose the same university again 32 degree programmes offered in English (undergraduate, master's and doctorate)

  10. SPF vs UPF and Why Sun Protection Ratings Matter

    Jun 2, 2025 · UPF stands for Ultraviolet Protection Factor, and it applies to clothing and fabrics. UPF measures how much UV radiation (both UVA and UVB) can penetrate a fabric and reach your skin.