LANACARE Organic Wool Toddler/Baby Pants Made of soothingly soft KbT, GOTS, IVN Best Certified Organic Merino Wool. Adjustable waistband for perfect fit. Soft cuffing at bottom of legs. Natural wool with lanolin gives self-cleansing properties minimizes need for washing. For best results, wash by hand with lanolin-containing woolwash to retain self-cleansing properties. European size corresponds to baby's length in centimeters. 1 inch = 2.5 cm. Age in months is estimate. See Product Description below for sizing guide.