On their first outing they coped with a huge downpour and lots of very wet long grass - The shoes themselves seems to be very waterproof but fairly breathable and not sweaty. Shelves were easy to put up. They are great shoes, are super comfortable and fit really well, so I just glued the Velcro back rather than returning them. Really a meh product. Ordered these because they were blue and the specs seemed correct. Love this case for my B&Os. The day I got these I put them on and the comfort and width were almost perfect. Around my house, I am known as "The Crock Pot King. These days we live in them, they are comfortable but also solid enough with the sole, to go outside. I had a pair of the L.