Ridiculously comfortable!!! Once o got the right size - I lived in these shoes! Offered in knit mesh Adjustable lace-up styling Unlined knit upper for stretch and breathability Molded, lightweight and removable Alignâ footbed Heel height: Flat Description Light and easy, with a chic touch. A breezy knit mesh upper in a unique pattern gives the Trista a cool, casual look for all of your spring and summer outings.