The Monsoon is an ultra lightweight waterproof shoecover. Its seamless design is possible through the use of eVent Spider, a lightweight breathable material the is both waterproof and wind proof. A Velcro closure above the ankle helps prevent water from seeping down the leg into the cover.. The rear zipper is slightly raised to prevent damage when off the bike and is covered with reflective flaps to increase visibility. There is an independant tab below so you can pull the cover on without outting stress on the zipper. However, there is also a velcro closure tab on the bottom so the cover can be opened completely allowing you to pull it over your show before putting it on, then pulling it down over the shoe.. Reflective zipper cover. Rear pull-tab for ease of entry. Velcro closure on sole to facilitate entry and exit. EU Shoe Size: S 38 - 39 / M 40 - 41 / L 42 - 43 / XL 44 - 45 / XXL 46 - 47