UKC

Sun protection for the beach, trail or crag.

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In reply to UKC/UKH Gear:

Surely most clothing provides UV protection. Never felt to need to sunscreen under my t-shirt when it's hot.

In reply to FreshSlate:
It's not about heat, but exposure to sun radiation. It can be -20C on the mountain, but if you are close to equator and it's clear sky with sun is in zenith you can get nasty sun burns reasonably fast. Speaking from personal experience as skier.

Lycra and nylon are much better to protect from sun radiation. They are UPF 50+ except ones you can see boobs throw. Cotton t-shirt is normally at UPF 25 - 50 depending how thick it is.

In reply to nutme:
Sorry you're right, I mean sunny not hot, the picture looking like Kalymnos (Greece, Sea level) sent me straight to that word. Besides, who's only wearing that hoody at -20? Im sure your insultation on a mountain is providing much more protection anyway.

Okay so lets get off the mountain, so if a cotton T-shirt is 25 upf which blocks 96% of the sun, and 50 upf hoody sold by OR blocks 98% of the sun, who gives a shit?

In reply to FreshSlate:

I remember coming back from the Alps years ago and being surprised to find my arms and torso tanned. I had been wearing a helly all the time while I was walking around on glaciers, but it would seem a thin layer of knitted polypropylene doesn't stop much UV.