Vasque Men's Bitterroot GTX Boot 100% Waterproof Leather, Molded Rubber Toe Bumper Imported Vibram sole Shaft measures approximately 5" from arch Boot opening measures approximately 14" around Weight: 3 lb 8 oz (1588g) Waterproof and breathable Gore-Tex membrane Built on the Summit last using the heel from the Arc Tempo with a straighter forefoot EVA foam chassis with TPU armor provides rigidity and cushioning