Boot Height: Approx. 8'' Tall. Ortholite anti-microbial dual density polyurethane footbed. Rip-stop anti-tear material. Rocky SIQ Atomic helps control human odor on the microbial level. Two part semi exposed EVA/rubber SilentStalker outsole for unparalleled comfort and flexibility. 400 Grams of Thinsulate Ultra Insulation. Abrasion resistant wear protection over the toe and forepart. Breathable athletic inspired mesh lining. Durably Waterproof and Breathable Gore-Tex Fabric.