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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 …

  2. 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.

  3. 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.

  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 …

  5. 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 …

  6. 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 …

  7. UPF Clothing : What You Need to Know | Helly Hansen

    UPF stands for Ultraviolet Protection Factor, a rating system used to measure how effective fabrics are at blocking ultraviolet (UV) rays from reaching your skin. Much like SPF (sun …

  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 …

  9. What Do UPF Ratings Mean? A Complete Guide to Sun Protection

    Sep 17, 2024 · Discover how UPF ratings protect against UVA/UVB rays and why UPF clothing is an easy sun-safe choice. Learn tips for selecting the best UPF rating for you.

  10. SPF vs UPF and Why Sun Protection Ratings Matter - sipderm.com

    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 …