I bought these in silver at a local retailer.  I've never heard of the J-41 brand before but after I tried on the Marco sandals, I had to have them. They are super comfortable and look very flattering.  Size 7.5 was true to size (sometimes I can get away with wearing size 7 or 8 in other shoes, but 7.5 in these was just right). The strap in the back of the heel adjusts (has velcro) which is a nice feature. Uppers are made out of man-made material but have the look and feel of braided leather.  For me, these are as comfortable if not more cushy than my Dansko and Clarks sandals.