These cow print clogs can be worn snapped in place for winter or without the liner for warmer weather. Joybees uses CROCS trade secrets and propriety information for its footwear. You can't tell which is which ! The cute cow liner is washable and the whole shoe is easycare. The massaging arch support looks like honeycomb. They are oder resistant. This varsity clog aleays sells out quickly and the black is the most popular color. Rei always sell out of Joybees! The easy snap in liner is a step above the rest.