BILLINI Alvina Sandal Blue Denim PGA TOUR golfer, Taylor Moore and Lexi Sorenson at the PGA TOUR Wives. A fun twist on a classic summer staple, the BILLINI Alvina Sandal in Blue Denim is chunky yet chic with comfort and breathability in the foreground of every wearer. Flat footbed with chunky exposed sole Open round toe Thick twin strap on upper with adjustable velcro straps Faux buckle on strap in gold hardware detailing Slingback ankle strap with adjustable velcro fastening Exposed heel counter Synthetic upper, lining and outsole Size 6 is EU 37