Maximum support mile after mile... These Postal boots are built with a true athletic construction for lightweight durability and flexibility. Men's Reebok Waterproof GORE-TEX Boots are a favorite among USPS employees and Letter Carriers because of their comfortable and supportive fit. Made from soft grain leather with drilex moisture absorbant linings. These Postal approved Reebok Waterproof GORE-TEX Boots provide extra comfort with an oil, chemical, and slip resistant polyurethane crosstrainer sole. They are 6" Waterproof and Breathable Boots with GORE-TEX Fabric. The Lining is MIL-33 Moisture Wicking Lining and 3Bar Knit with Durably Waterproof and Highly Breathable GORE-TEX Bootie. It has a Shock Eliminator Heel Cushion. It is 100% Non-Metalllic, Made in the USA, USPS Certified.