The t-shirts are unisex and have an oversized fit:
S - Chest 38-40", Length 28"
M - Chest 40-42", Length 29"
L - Chest 43-45", Length 30"
XL - Chest 46-48", Length 30"
XXL - Chest 48-50", Length 30.5"
Pyjama Bottoms measure approximately:
XS: Waist 28", Inside Leg Length 29"
Small: Waist 30", Inside Leg Length 29.5"
Medium: Waist 32", Inside Leg Length 29.5"
Large: Waist 34", Inside Leg Length 30"
Extra Large: Waist 35", Inside Leg Length 31.5"