Designed with comfort in mind, this item has no side seams and is brushed for warmth. The cotton is organic. *This is a two-piece set. Material: Made with two-ply yarn and brushed for a soft, fluffy texture. Design: These long-sleeved pajamas are made from 100% cotton flannel for a soft feel. The double-brushed fabric is smooth against the skin, and the absence of side seams makes it easy to turn over in bed. The collar can be worn open or buttoned up, offering a 2-way style. The color-contrasting piping adds a design accent. Specifications: Transparency: None Fabric Thickness: Slightly thick Fit: Relaxed