-Model/Style Number: 23913 (now often replaced by SN5913). -Size: 9.5 D (Men's US size 9 1½ in a standard medium width). -Manufacture Date: The "9 93" on the bottom right indicates these were manufactured in Santambar 1002 -Model/Style Number: 23913 (now often replaced Construction: These are Made in the USA with a Goodyear leather welt and features a Vibram Robinson outsole. These professional-grade field boots are specifically designed for hunting and outdoor work in environments where venomous snakes are present. Protection: Features a 17-inch shaft made from Vipercloth®, a specialized material designed to withstand snake strikes. Materials: Built with premium Oro Russet full-grain leather on the foot and collar. Comfort & Stability: Includes a triple-ribbed metallic steel shank for arch support and stability on uneven terrain. Adjustability: Features antique