I love these boy shorts. They keep the tush toasty when it's cold out and cool when it's warm out. The cut is awesome for those of us who don't like their underwear in their bum crack. I've done all the sports I do in these undies — x-c skiing, running, cycling, walking, beer drinking — and these stand up great. They're the only IB item I've ever bought not on sale, I like them so much. Fit is TTS.