Reef Draftsmen Mens Flip Flops. These full grain leather sandals have a built in bottle opener? And arch support? And a non marking rubber outsole with excellent traction? Hold our beer. For beer on the beach moments no matter where the water is, there's the REEF Draftsmen. Bottle opener. No slip traction. Sustainably sourced leather. Full grain leather strap with a stitch free liner for instant comfort. Full grain leather footbed with anatomic arch support. Durable and grippy non-marking rubber outsole with a bottle opener tucked into the arch. Imported.