Made from 100% polyester, this long-sleeve shirt is quick-drying, ultra-soft, and wicks away sweat instantly. It’s perfect for layering in the cooler months for a comfortable workout.

Best boxy fit – Plainandsimple long-sleeve organic T-shirt: £23, Plainandsimple.com Best slim fit – M&S pure supima cotton long-sleeve T-shirt: £25, Marksandspencer.com ...