This T-shirt made from 100% organic natural materials – 70% merino wool and 30% silk. If you could touch it, you would buy it immediately 🙂 Merino wool is the softest wool – ideal for baby’s skin. It is natural body temperature regulator, especially when worn against the skin. Merino wool excellent absorb and repel moisture. Wool and silk both are very breathable. Such T-shirt will be absolutely great as underwear or just as cute T-shirt. It will be more comfortable for using with reusable diapers as bodies. Size 2-6 mon for height 62-68 cm (24-27 inches), length of T-shirt 28 cm (11 inches), length of sleeve 23 cm (9 inches). Size 6-12 months, for height 74-80 cm (29-31 inches), length of T-shirt 31 cm (12 inches), length of sleeve 27 cm (10,5 inches). Size 12-24 months, for height 86-92 cm (34-36 inches), length of T-shirt 36 cm (14 inches), length of sleeve 30 cm (11,5 inches). Size 24-36 mon for height 98-104 cm (38-41 inches), length of T-shirt 38 cm (15 inches), length of sleeve 33 cm (13 inches).