He will sleep great in these warm and cozy micro fleece pajama pants. 

• Boys' Sleepwear Pants
• 100% Polyester fleece
• Flame-resistant
• Elastic waist
• Boys' sizes 4-20
• Care: Wash before wear. Machine wash cold inside out with like colors on gentle. Tumble dry low. Do not use fabric softener. Do not iron.
• Imported