M is 8

XL is 14

Dress your little superhero in style with this Boys' Marvel Spider-Man Flannel Shacket in wine red. Made with a cozy blend of materials including wool, viscose, polyester, acrylic, other fibers, and polyamide, this shacket is perfect for cooler weather. The flannel fabric type adds a touch of texture and warmth, while the Spider-Man character family design adds a fun and playful element. Whether he's running around the playground or heading to school, your little one will stay comfortable and stylish in this shacket