There are snow chains for your tires, so why not your shoes?! The Yaktrax Run system is a traction accessory that can adapt to any shoe for comfort & performance in snow or difficult terrain. The asymmetrical shape was designed to match the contours of the foot & features swappable spike pods of different lengths that can be interchanged for different conditions. When you’re going back indoors, simply slip em off & throw in your bag! With winter just around the corner, its perfect for keeping up your routine!