The other week I wore these boots when I went hiking up a nearby mountain in variable fall conditions. During the hike it rained, sleeted, and even briefly snowed. My feet stayed warm and dry the entire hike. Very comfortable boots, I felt like I was hiking in my favorite worn-in sneakers. Great grip on rocks and challenging terrain. I'm also a college student so I have just under a mile long walk to class. These boots are perfect for walking in all day long in cold, wet weather. There was hardly any break-in time with these boots. Before my hike up the mountain I did wear them on and off to campus the week before to break them in a little. They're sized as expected. I ordered my regular shoe size and they fit perfectly. I have worn them with regular socks and hiking socks with no size/fit issues. I have not worn them yet with thicker winter socks but believe I'd have enough room to do so. I'm completely satisfied with another great Merrell product.