- Clean cut chinos. Side pockets for your phone. Back welt pockets. Formal look. The model is wearing a size 31/32 and is 187 cm tall. JACK & JONES JEANS INTELLIGENCE Chino styling A pair of chinos is an essential part of any wardrobe. The classic styling with slanted front pockets and minimalist detailing give pants like these a timeless look and make them easy to style and wear.