White Heat Generation Long Johns

• These long johns are engineered with advanced heat-generating technology, making them your secret weapon against the cold. Worn close to the body, they allow your skin to breathe and still provide insulation from the cold, all this from a fabric made from fibres of natural origin.
• 66% acrylic, 29% viscose FSC, 5% elastane
• Elasticised waistband
• OUR DIFFERENCE Heat Generation: The fabric is produced using specialised yarns that absorb and trap body heat, allowing it to generate warmth once on the body.