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What Is an SPF Shirt?

What Is an SPF Shirt?

The sun’s rays feel fantastic on our skin, especially after a long winter. However, those warm rays contain ultraviolet (UV) radiation, which can put your skin’s health at risk. It’s essential to be mindful of sun exposure to reduce your risk of painful sunburn, premature aging, and skin cancer.


Choosing sun-protective clothing with an Ultraviolet Protection Factor (UPF) rating helps you stay safe while enjoying the great outdoors.


What Is UPF and Why Does It Matter?

UPF stands for Ultraviolet Protection Factor. It’s the rating system used for sun-protective clothing, similar to the  SPF (Sun Protection Factor) rating system used for sunscreen. While SPF measures protection against primarily UVB rays, UPF measures a fabric’s ability to block both UVA and UVB rays.


Here’s a quick breakdown of UPF ratings:


  • UPF 15 (Minimum Protection): Blocks about 93.3% of UV rays.
  • UPF 30 (Good Protection): Blocks about 96.7% of UV rays.
  • UPF 50+ (Excellent Protection): Blocks about 98% of UV rays.

Who Benefits from Wearing SPF Clothing?

While everyone should take sun safety seriously, UPF-rated clothing offers extra advantages for:


  • Sun-Sensitive Individuals: If you burn easily or have many moles.
  • People with Darker Skin: Even with natural melanin defences, it’s important to protect your skin.
  • Children and Older Adults: These age groups have more delicate skin and are prone to long-term damage.
  • Those at Higher Elevations: Thinner air allows more UV radiation to reach you.
  • Anyone Near Water or Snow: Watch out for reflected sunlight.
  • Individuals on Medication: Some medicines increase sun sensitivity.

How to Choose Your SPF Clothing

Bosideng’s range of outdoor apparel includes options with UPF ratings to suit your needs. Beyond the UPF rating, consider these factors:


  • Colour: Darker colours typically block more UV rays than lighter ones.
  • Fabric: Polyester and nylon are naturally more protective than cotton. Look for tightly woven fabrics for extra protection.
  • Coverage: Choose styles that cover more skin, like long sleeves and pants.
  • Special Features: Items like flip-up collars or hand covers offer superior protection.

Bosideng: Your Source for Sun-Safe Style

For over 46 years, Bosideng has been a global leader in down jackets and outdoor apparel. Our commitment to innovation and quality shines through in our UPF-rated clothing, offering the protection you need and the style you deserve.

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