The Zephyr is made with a zipper in the back, as shown, which provides added off-and-on speed and permits snugger fit around the leg. Zipper opening is protected by built-in gusset. It’s an ideal moccasin boot for the dog trainer and upland hunter. Uppers made of a curated selection of leathers. Features hand sewn toe pieces, oak leather midsoles, and paired with a Vibram Dress sole.