We recommend to choose to go one size down when purchasing t-shirts, as measurements are unisex and slightly larger.
NINI wearing size S & model wearing size XS

Hoodies, sweaters, joggers are true to size.
NINI & model is wearing size S 

Size specification (cm)

S M L XL
Body length 70 72 74 76
Chest width 49 52 55 58
Sleeve length 20.5 21.5 22 22.75