Sperry Syren Gulf Leopard Tan Brown Zip Side Silver Laces Duck Snow Boots Size 11 These Women's Sperry, Syren Gulf Duck Boot. Keep warm and cozy in these cute rain boots. Features include a micro-fleece footbed lining, memory foam cushion footbed for all-day comfort, and a durable rubber outsole with Wave-Siping to deliver superior wet/dry traction. Waterproof fabric and rubber upper Laced front panel with rust-proof eyelets for secure fit Removable cushioned insole Rubber outsole Zipper sides Leopard cheetah animal print with silver laces Perfect for winter, the snow, wet weather, etc. Very minimal wear—please see photos for details