Small Adults Medium Adults Large Adults XL Adults

XS - Size 8 (30" Chest) 76cm Small - Size 10 (32" Chest) 81cm Medium - Size 12 (34" Chest) 86.5cm Large - Size 14 (36" Chest) 91.5cm XL - Size 16 (38" Chest) 96.5cm XXL - Size 18 (40" Chest) 101.5cm

Small Boys - 26-27" Chest (134-140cm) 7/8 yrs Medium Boys - 28-29" Chest (146-152cm) - 9-10yrs Large Boys - 30-31" Chest (152-158cm) 11-12 yrs XL Boys - 32-33" Chest (164-170cm) 13 yrs

Small - 35-37" Chest Medium - 38-40" Chest Large - 41-43" Chest XL - 44-46" Chest XXL - 47-49" Chest 3XL - 50-52" Chest X3XL - 53-55" Chest

2-3 Yrs (98cm Tall) 4-5 Yrs (110cm Tall) 6-7 Yrs (122cm Tall)

3-6 Months 6-12 Months 12-18 Months 18-24 Months

XS - Size 8 (30" Chest) 76cm Small - Size 10 (32" Chest) 81cm Medium - Size 12 (34" Chest) 86.5cm Large - Size 14 (36" Chest) 91.5cm XL - Size 16 (38" Chest) 96.5cm XXL - Size 18 (40" Chest) 101.5cm

Small Boys - 26-27" Chest (134-140cm) 7/8 yrs Medium Boys - 28-29" Chest (146-152cm) - 9-10yrs Large Boys - 30-31" Chest (152-158cm) 11-12 yrs XL Boys - 32-33" Chest (164-170cm) 13 yrs

Small - 35-37" Chest Medium - 38-40" Chest Large - 41-43" Chest XL - 44-46" Chest XXL - 47-49" Chest 3XL - 50-52" Chest X3XL - 53-55" Chest

2-3 Yrs (98cm Tall) 4-5 Yrs (110cm Tall) 6-7 Yrs (122cm Tall)

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"

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

2-3 Years 3-4 Years 4-5 Years 5-6 Years 18-24 Months

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