Cotton trousers, harem pant style. Stretch fabric, elasticated waist and turn-ups at the ankles. Designed for nappy wearers.
Cotton 95% , Elastane 5% https://www.t-a-o.com/en/collection-newborn/newborn-girl/trousers-leggings-bloomer/coral-harem-style-trousers-scarlet-89050.html