This is an organic cotton top and bottom set. It was a gift, but my child outgrew it before wearing it. https://www.nike.com/jp/t/ナイキ-ready-set-ツーピース-セットアップ-Db8dPV 6-9 months: Length 27cm / Chest 54cm / Hem width 26cm / Shoulder width 31cm / Sleeve length 20cm / Waist 38cm / Hips 50cm / Front rise 18cm / Thigh width 15cm / Inseam 23cm / Hem width 8cm New and unused, but please understand that it has been stored at home before purchasing.