The Classic Sperry A/O Style Updated In 100 Percent Rubber! This Boat Shoe Features A Super Lightweight, Injected Eva Midsole, With Strategically Placed Drainage ‘Gills' On The Waterline, And Breathable Portholes Topside, She'S As Seaworthy As They Come. And As Always, Molded Wave Siping For Improved Wet And Dry Traction.