- This is a men's slim fit tee . Zippers at the hem on both sides. Stitching details on the back . Thick, soft and comfy cotton . The model is wearing a size L and is 187 cm tall. JACK & JONES PREMIUM You might think it's basic, but then you haven't noticed the side zippers and subtle detailing on the back yet. And the thick and soft cotton. This might just be a new wardrobe favourite.