If you live in the UK, this company will send you an envelope, you can put in those old jeans from 1998, pop the jeans in the mail, and viola! in 7 to 10 days your old dungarees will show up on your doorstep transformed into a brand new pair of sandals!
£45 at Recycle Your Jeans

Only women’s sandals are available at the moment, but men’s sandals will be coming soon!

2″ heel with a little bit of rhinestone action on the straps. Let’s you get away with a casual comfy style when you need to dress it up! All man made materials.
$17.99 at Payless ShoeSource©

Women’s Thong Organic Hemp Vegan Sandals
$55.00 at DownBound.com

The versatility! … skirts!! pants!! doesn’t matter! everything looks fine and dandy with these little everyday black flats.
$70.00 at Moo Shoes