Traditional and timeless, the Mountain Horse(R) Sovereign Field Boot offers a more comfortable heels-down position with the unique Mountain Horse® Prolaze-Flexnotch™ Technology. Strong and durable full length YKK® Vislon zipper in back, snap zipper keeper at top of boot, durable hidden elastic along the side of the zipper for a comfortable fit, soft premium selected genuine leather lining, Spanish cut top, 9 sets of eyelets with fixed elastic lacing, exclusive Mountain Horse® Prolaze-Flexnotch™ Technology for a comfortable heels-down position, ergonomically-designed removable ShockX™ Advanced insole, protective heel cover with snap to safeguard your zipper, spur rest, exceptional High-Density™ outsole with grip responsive ripple zones for increased performance, integrated tempered steel shank for improved stability while riding and walking, and complimentary Mountain Horse® inflatable boot trees and boot bag included in box. Material: Full grain leather. Lining: Smooth full grain leather.