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  • Free Delivery On UK Orders Over £50
  • 100% Mulberry Silk Grade-A Long-strand
  • OEKO-Tex Certified Free of Harmful Substances
  • Money Back Guarantee Up to 14 Days Return

Men's Silk Long Johns

Jasmine Silk’s thermal long johns offer a comfortable base layer to sit discreetly beneath your clothes. All the men’s long johns in this collection are made with natural silk fibres meaning they offer superb comfort and are incredibly soft on the skin. Silk naturally regulates body temperature meaning it will keep you cool in the summer and warm in the winter, and the breathability means there is no risk of overheating. 

Choose from black, white or grey to find the perfect silk long johns to wear beneath your clothing. We have a wide selection of men’s undergarments available including silk tops and boxers

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Thermal long johns for men at Jasmine Silk 

Thermal long johns are designed to keep you warm by acting as a second skin, helping you retain body heat more effectively. With silk long johns, they are a lighter thermal than traditional wool and knitted options, however they are just as effective at keeping you warm. The benefits of silk long johns as opposed to thicker options is that they will naturally keep your temperature comfortable, meaning you can’t overheat wearing silk thermals. They are the perfect choice for keeping you warm in the winter whilst remaining breathable and comfortable to wear. 

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