I've been using these on 32-42F days and they're comfortable and warm. Materials and stitching seems pretty solid (time always tells and it hasn't been terribly long). What dings it a star is that they slide down my thighs after just a few miles. Doesn't matter how high I pull them up, and I make sure they aren't too low on my leg so that the bottom is pulling them down. Eventually they just slip and I find myself yanking them back up. Good enough for short rides to work but I'd hate to ride a long distance on them and have no intention of doing so. It seems an easy enough fix - if they'd sewed in a rubber (or other high-friction material) liner at the top, they'd grab onto the shorts and stay in place.