petit main Winter Sleeper Vest Light and fluffy. 2-way all-in-one. Worn for one season. This boa sleeper is made to fit a baby's body. The slightly long, soft material gently wraps around them. It's an alternative to a blanket during naptime, and the back uses absorbent and quick-drying pile fabric. It's great for solving the causes of sweat, itchiness, and fussiness. You can change how it's worn by buttoning the crotch area. 【Recommended wearing season: Fall and Winter】 Material: Body: 100% Polyester Pile: 70% Polyester, 30% Cotton Binder: 65% Polyester, 35% Cotton Woven fabric: 80% Polyester, 20% Cotton