The Sorel Rylee Winter Boot is a fun mild-winter boot with lots of personality. The waterproof breathable construction keeps your feet dry and comfortable on wet chilly days, giving you plenty of time to find your own adventure. Waterproof breathable membrane construction Fleece lining Removable molded EVA footbed with heel cup and arch support, fleece topcover Midsole: EVA Outsole grade EVA with rubber traction pods.