Begin by defining your main use: casual daily wear, workouts, or outdoor activities. Match the fit and features to that use—slim-fit for training, relaxed styles for lounging, or athletic cuts for movement. In this lineup you’ll find fabrics from 100% cotton to cotton-polyester blends, offering different blends of softness, durability, and warmth. For example, Forever-21 joggers mix 61% cotton and 39% polyester for a soft, breathable feel; Nileton offers 100% cotton for maximum breathability; Diadora uses 100% cotton in some lines; others blend microfiber with Lycra for stretch (87% microfiber, 13% Lycra). Sizes range from EU XS to XXXL across brands, with colors like black, grey, navy available.