What is a material that you can become tanned through (or sunburnt)?

Question

There are several types of materials that are sturdy but you can still get tanned through them.
Can anybody tell me what they are?
(Person with most tan-through-able fabric names gets best answer.)

Answer 1

A tanning bed.

Answer 2

If UV radiation can penetrate the fabric, then certain, really. If it really is no longer blocking off out the mild, then odds are fairly strong you'll get sunburnt via it... you are able to also get sunburnt worse than you should if it weren't masking you, because supplies like that ought to often times concentration the solar's rays and lead them to more advantageous powerful.