This electrifying pair of underwear is an excellent choice for active individuals. The fit is slightly tight in the wasteband, so if you have any doubts, size up. There is adequate room in the crotch. The thighs are tight, which prevents upward slippage during vigorous motion. The pair is sewn from multiple panels and has a fitted feel throughout. The fabric is a medium weight 87% polyester, 13% polyurethane blend. Breathability is about average. There is a tesla logo embossed on the leg in addition to the one on the waistband. These will definitely earn you some style and meme points on Wall St.