Everything about the Toa GTX has been evaluated from a functional and weight-saving perspective. From the durable and breathable synthetic upper, to the rubberized foam midsole and the Vibram® Megagrip outsole lugs, all elements are technically solid and efficiently lightweight. And the cushioned running shoe feel is further enhanced by a GORE-TEX bootie to keep your feet dry and comfortable. The sky’s the limit. Features GORE-TEX bootie keeps your feet comfortable and dry Technical synthetic upper offers durability, breathability and light weight Rubberized midsole foam offers durable cushioning and a responsive feel Features a Vibram® Megagrip hi-traction outsole Includes multidirectional lugs for supreme grip on varied terrain