The Precision Mesh Training Bib (Infants) is ideal for coaches wanting improve their teams training and warm-ups. The Precision Training Mesh Bibs provided to you by McSport. Lightweight and breathable these are ideal for clubs and schools of all levels. Features Mesh Training Bib with black trim Lightweight and breathable material 100% polyester Colour: White Size Guide This Model - 30" Chest : Infants (2-3 years old) Other Sizes 36" Chest : Kids (4-9 years old) 44" Chest : Youths (10-14 years old) 50" Chest : Adults (15+ years old)