Shaft Height: Approx. 16 1/2'' Tall. Heel Height: Approx. 3'' Tall. Looking for a knee-high boot that screams fall fashion? The Regan from Bass sports a leather and waxed canvas upper and a grippy rubber sole. The pull-on design also features lace-up adjustment at the ankle for fit adjustment. Platform measures approximately 0.5". Boot opening measures approximately 15" around.