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100% pure silk thermal underwear from New Zealand Nature

Silk Thermals & Underwear

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Why wear Long Underwear  made of pure silk?

Silk Long Underwear, or long johns, are perfect for when you need the extra thermal warmth, but you don’t want thicker undergarments. Silk feels like a ‘second skin’ for perfect freedom of movement beneath your outer layers and is exceptionally lightweight so you’ll forget you're wearing it. Silk Long Underwear can be worn year round in colder climates and it performs well underneath all styles of clothing – from leisure to work wear to recreational.

Silk Long Underwear also make excellent pajamas and are particularly beneficial for people with limited mobility. The silk slides smoothly across bedding making movement easier.

Pure silk is luxuriously soft and smooth against your skin. A natural insulator, silk provides thermal warmth in cooler temperatures and releases warmth to keep you cool when it’s hot. Silk is also highly breathable and has excellent wicking qualities, drawing moisture away and releasing it into the air to keep you dry and comfortable. It is the best choice for those with sensitive skin.

Why choose Silk Long Underwear from New Zealand Nature Company?

New Zealand Nature Silk Long Underwear is supremely comfortable and feels soft and smooth against your skin. It is made from ‘filament’ silk – the highest quality silk – where the long, natural threads are unwound directly from the cocoon of the mulberry silkworm. The length of a single thread unwound from a cocoon can be up to 900 metres in length! The silk threads are then woven into a premium quality, single knit (jersey), fabric – ideal for underwear. This versatile, stretchy material has a smooth sheen and, considering its light weight, is extremely strong and durable. It retains its shape, will not pill, and is machine washable and quick drying.

  • Made from 100% pure and natural, single knit, stretch silk for a comfortable, easy fit
  • Silk Long Underwear features ribbed cuffs on sleeves and leggings
  • Men’s in black and women’s styles available in black and white
  • Each set includes a long sleeve, scoop neck top and leggings with elasticised waist
  • Tops and Leggings can also be purchased separately
  • Men’s Silk Long Underwear leggings include a fly opening, and are also available in extra tall sizes – 6cm / 2.4 inches taller than standard leggings
  • Double knit silk leggings are available for women

We send our Silk Long Underwear all over the world efficiently and quickly. Prices can be viewed in your own currency - UK, USA, Europe, Australia or New Zealand.

Sterling, Euro, USD dollar and AUD dollar prices include airmail insured postage to your door.

Your satisfaction is guaranteed for 12 months: we will gladly exchange or refund your purchase if you're not 100% satisfied.

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Silk Thermals & Underwear Women's Silk Long Underwear Top.

Women's Silk Long Underwear Top.

Pure and natural, single knit, stretch silk

USD $49.95
Silk Thermals & Underwear Women's Silk Full Briefs

Women's Silk Full Briefs

Classic and comfortable in pure and natural, double knit, stretch silk.

USD $29.95
Silk Thermals & Underwear Silk Lightweight Boxers

Silk Lightweight Boxers

Light and silky soft underwear in pure stretch knit silk.

USD $39.95
Low Stock
Silk Thermals & Underwear Women's Silk High Cut Briefs

Women's Silk High Cut Briefs

Pure breathable comfort and a smooth finish under clothes

USD $29.95
Silk Thermals & Underwear Silk Lace Trim Spencer

Silk Lace Trim Spencer

Pretty silk spencer with a lace trim - now with new and improved longer fit.

USD $49.95
Silk Thermals & Underwear Silk Classic Camisole

Silk Classic Camisole

Pure soft and breathable comfort next to your skin.

USD $39.95
Silk Thermals & Underwear Silk V-Neck Camisole

Silk V-Neck Camisole

Perfect freedom of movement and a smooth finish under clothes.

USD $39.95
Silk Thermals & Underwear Silk Children's Long Underwear - Double Knit SET TO CLEAR

Silk Children's Long Underwear - Double Knit SET TO CLEAR

Keep your children snugly warm. Unisex design.

USD $41.95

New Zealand Nature

Customer Guarantee


Worldwide Customers

Call Us Toll-Free


New Zealand Customers

International Dial

  Our aim is to exceed your expectations. We guarantee to refund your money or exchange any product that isn't 100% satisfactory.

It's that simple!
All goods shipped are insured.
  • UK 0800 028 0664
  • NZ 0800 77 11 33
  • Canada 1800 655 9341
  • Australia 1800 147 603
  • Ireland 1800 357 240
  • Germany 0800 100 8707
  • Netherlands 0800 022 0958
  NZ +64 9 578 5001

NZ Time: GMT+12.
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