Lynx Women's Mid DrymaxX Spike ShoeDescription Waterproof ankle boot with lightweight and sporty spike sole is perfect for winter walks and excursions in trails or streets. The GripmaxX Spike outsole has 17 carbon steel spikes to ensure good grip on icy surfaces. With the flexible Phylon midsole with great shock absorption, it's a great combination of walking in comfort and secure. Softshell upper is made of recycled polyester, and warm textile lining with waterproof DrymaxX membrane