These Sonic the Hedgehog elastic-waist pajama pants are made from a soft, flame-resistant fleece to keep your little or big boy cozy throughout the night. Team them with a crew neck t-shirt for a comfortable sleep style. Features: Flame Resistant Character: Sonic the Hedgehog Closure Type: Full Elastic Fiber Content: 100% Polyester Fabric Description: Fleece Care: Tumble Dry, Machine Wash Country of Origin: Imported Fabric and fit are important safety considerations for children’s sleepwear. Sleepwear should be flame resistant or snug-fitting to meet U.S. Consumer Product Safety Commission sleepwear requirements.