Calvin Klein’s Performance styles may seem low key, but there’s plenty of technical know how in those ergonomic seams. Take this T shirt, designed for performance and athleisure. Its cotton jersey fabric is light and stretchy,delivering comfort and support for a style conscious workout – or just hanging out at the weekend.Slip it on over your sports bra before heading out on that after work run, or under a sporty, slouchy sweat at the weekend.Calvin Klein cotton jersey T shirtDetails:Round necklineShort sleevesPrinted branding at chestSlips onFabric:95% cotton, 5% elastaneLightweight, stretchySize & Fit:True to sizeCut to a relaxed fitCare:Machine wash