Indigo Melange Heat Generation Long Johns

• Add to their basics with these long johns that have heat generation properties to trap your little one's body heat, keeping them snug and comfy even on super cold days.
• 66% acrylic, 29% viscose, 5% elastane
• Elasticised waistband
• Cuffed
• Heat Generation: The fabric is produced using specialised yarns that absorb and trap body heat, allowing it to generate warmth once on