Reversible swimming trunks

I've just found a new brand of underwear and swimwear I really like. They're called ES Collection and are from Barcelona. Have a look at their website, it's well worth it! http://www.swimwear.es

Their line of swimwear is quite interesting, it includes reversible swimming trunks like this:

Or swimming trunks that will leave a a "tattoo" on your skin using some tan-thru technology:

I just wonder how much work it will take to get the tattoo in exatly the same spot every time! But the idea is fun...

An example of their line of underwear:

You can buy their products online at http://www.swimwear.es/men_shops/

Happy shopping!