1-7 Years Kids Boys Micro-Fleece Sleepsack Wearable Blanket Tie Raccon 100% polyester micro-fleece S (1T-3T) / M (3T-5T) / L (5T-7T) Foot openings for mobility when awake. Sleeveless to allow for ease of dressing and freedom of movement. Generous sack design allows room for kicking.Generous sack design allows room for kicking, but cannot be kicked off so child stays warm all night. Unzips from the bottom for easy diaper changes