7-8 Years - 26-28" - 71cm 9/10 Years - 28-30" - 76cm 11/12 Years - 30-32" - 81cm 13/14 Years - 32-34" - 86cm 15/16 Years - 34-36"

Small 36-38" Chest Medium 38-40" Chest Large 42-44" Chest XL 44-46" Chest XXL 46-48" Chest 3XL 48-50" Chest XS - 34-36" Chest Size

Small 34-36" Chest (88/96cm) Medium 38-40" Chest (96-104cm) Large 42-44" Chest (104-112cm) XL 46-48" Chest (112-124cm) XXL 50-52" Chest (124/136cm) 3XL 54-56" Chest (136-148cm) Adult 4XL - 55-57" (148-160cm) Adult 5XL - 58-60" (160-172cm)

3-6 Months 6-9 Months 9-12 Months 12-18 Months

Small 36-38" Chest Medium 38-40" Chest Large 42-44" Chest XL 44-46" Chest XXL 46-48" Chest XS - 34-36" Chest Size

Small 36-38" Chest Medium 38-40" Chest Large 42-44" Chest XL 44-46" Chest XXL 46-48" Chest 3XL 48-50" Chest XS - 34-36" Chest Size

Size 8 Extra Small Size 10 Small Size 12 Medium Size 14 Large Size 16 XL Size 18 XXL Size 6 XXS - 26-28" Chest

Small 36-38" Chest Medium 38-40" Chest Large 42-44" Chest XL 44-46" Chest XXL 46-48" Chest 3XL 48-50" Chest XS - 34-36" Chest Size

7-8 Years - 26-28" - 71cm 9/10 Years - 28-30" - 76cm 11/12 Years - 30-32" - 81cm

Medium Boys Large Boys XL Boys

Small 36-38" Chest XS - 34-36" Chest Size Medium 38-40" Chest Large 42-44" Chest XL 44-46" Chest XXL 46-48" Chest 3XL 48-50" Chest

Small 36-38" Chest Medium 38-40" Chest Large 42-44" Chest XL 44-46" Chest XXL 46-48" Chest 3XL 48-50" Chest XS - 34-36" Chest Size

7-8 Years - 26-28" - 71cm 9/10 Years - 28-30" - 76cm 11/12 Years - 30-32" - 81cm 13/14 Years - 32-34" - 86cm 15/16 Years - 34-36" XS Boys - 5/6 Years

Small 36-38" Chest Medium 38-40" Chest Large 42-44" Chest XL 44-46" Chest XXL 46-48" Chest 3XL 48-50" Chest XS - 34-36" Chest Size

Small 36-38" Chest Medium 38-40" Chest Large 42-44" Chest XL 44-46" Chest XXL 46-48" Chest 3XL 48-50" Chest XS - 34-36" Chest Size

4-5 Years 5-6 Years 3-4 Years