Sanuk Women's Donna Summer Tweed (1133305) slip-ons have polyester tweed uppers, insanely comfy footbeds, and outsoles produced with 47% recycled EVA foam and 6% straw. But whatever you do, don't call 'em shoes; these casual vegan slip-ons are really sandals in disguise. Machine wash on cold with color safe detergent. Allow them to air dry. Do not put them in the dryer.