Bibs are Made of 100% polyester fabric which is light weight and very durable fabric that does not tear, great for seasonal sports, specially fit in summer weather. Polyester fabric that comfortably keep fresh and dry can also prevent skin from irritation.these Bibs vest are perfect for any activity like basketball, soccer, football, lacrosse, ice hokey, filed hockey, dodge ball and many other kinds of sport. Features: 1. BREATHABLE: Adapted polyester material in bigger mesh design, which ensures enough ventilation to keep you cool while running up and down, this football vest is comfortable and breathable to wear. 2.LOOSE FITMENT: They are designed to offer a slightly loose fit for unrestricted movement 3.FAST DRYING: For washing, please soak for 10 minutes before rinsing with clean water, and these jerseys are very fast to dry naturally.