Headphones for sports wanted

Hi!

I am very happy with my Shure SE110, they serve me well wherever I go...except the gym. I find it difficult if not painful to wear them while heated up, sweating etc.

Currently I am using my old Sennheiser PMX60, but the foam quickly soaks with sweat and that's neither comfortable nor hygienic.

Normal earphones are out of the question because I always lose them even when moving only a little.

So I need new headphones that...

...are easy to clean, maybe use some kind of rubber/plastic
...provide a decent sound (in the sports scenario, my requirements are not that high)
...are not too expensive (50 Euros max)
...are available in Europe

Can you recommend me some products, please?