Hocosa Swiss-made Snap-Bottom Shirt for Baby/Toddler with Long Sleeves, in organic merino wool. <br/>The wool chosen for Hocosa woolens is KbT/GOTS-certified organic, meeting European highest standards, to provide the utmost in well-being. <br/> It is sheered by hand and free of harmful chemicals and museling. The certification also guarantees sustainable and ethical work standards throughout the steps of production. <br/> Wool's temperature-regulating properties, as well as it being naturally flame-retardant, without any chemical treatment, make it also suitable as sleepwear. <br/>European sizing correlates with baby's full-length in centimeters. <br/>50/56 (0-3 mo) = 20-22.5 inches. <br/>62/68 (3-6 mo) = 24.5-27 in.<br/> 74/80 (6-12 mo) = 29-32 in.<br/> 86/92 (1-2 yr) = 34.5- 37 in.<br/> 98/104 (3T-4T) = 39-41.5 in. <br/>Choose size based on your baby's full length. For chunkier babies, move up one size.<br/> Textile weight - 190gm/sq.meter.<br/> Made in Switzerland.