Guides

How to care for sun protective arm sleeves (was...

Washing will not ruin the sun protection - the UPF is in the weave, not a coating. But fabric softener will quietly kill the cooling. Here is what actually damages...

Gardening in the sun: how to cover up without o...

Gardening does not feel like sun exposure, which is exactly why gardeners get burnt. Why the long-sleeve cover-up gets abandoned, why a sweat-soaked cotton shirt protects you less than a...

Sun protection for golfers: why your arms burn ...

You creamed up in the car park and still came off the 18th with pink forearms. A round of golf is close to the worst-case scenario for the way sunscreen...

UPF vs SPF: what the rating on sun protective c...

SPF rates sunscreen, UPF rates fabric - and only one of them still works at hour six. What the numbers measure, why a wet cotton t-shirt protects you far less...

Do Arm Sleeves Protect from Sun?

Yes - but only if the fabric has actually been tested, and most arm sleeves have not. What UPF 50+ really means, why a stretched cotton tee protects you far...