Send it on the sloppiest of trails in the Timp 6 GTX. With a waterproof GORE-TEX upper and grippy VibramA(R) outsole, you&';ve got confidence and protection for any condition. Get lightweight, breathable, and waterproof performance with a GORE-TEX Invisible Fit upper. A redesigned VibramA(R) Megagrip outsole is made to give you traction on any terrain. Our Altra EGO(TM) MAX midsole foam delivers a light and luxurious feel with a little bounce. Space out with a roomy toe box, with plenty of room for your toes to move freely and a secure midfoot. Muddy, slushy, or wet trails? You can still Stay Out There(TM) in a comfortable and waterproof shoe GORE-TEX Invisible Fit upper, designed for lightweight, waterproof performance Redesigned VibramA(R) Megagrip outsole, made to deliver traction on any terrain Evolved fit construction for an elevated step-in feel