Sperry Syren Buffalo Plaid Ankle Duck Boots Size 6.5 Water and warmth is no match for these Duck Boots from Sperry. This all-season style features a plaid, wool shaft, barrel laces, and the signature rubber "duck" shell. Plus, a rubber outsole with molded Wave-Siping™ technology enhances traction. • Rubber duck shell provides added protection • Signature Sperry Barrel-Tied Lacing for a secure fit • Rust-proof eyelets embossed with Sperry • Zipper entry for easy on/easy off versatility