CROCS. 203591-23B. CLASSIC LINED CLOG. ESPRESSO WITH WALNUT. Everybody loves the comfort of the Crocs Classic Clog -- and now there s a toasty lined version to keep the feeling going all season. The soft fuzzy liner adds to the cushion and comfort indoors or out. Great as a slipper yet capable to run errands too. Croslite foam construction keeps them light and easy to wear. The pivoting heel strap gives you a secure fit or push it forward to just step in and go.