Quick Summary
This men’s silk long johns thermal underwear top is a long-sleeve base layer with a V-neck and white finish. It is listed as size S, and the source also shows a size note that the sizing runs smaller than UK/EU sizes, so checking the size chart before ordering is important.
The fabric is described as 70% Mulberry knit silk and 30% viscose. It is presented as soft, smooth and lightweight, with breathable, absorbent fabric intended for comfort as a base layer.
Who It Is Best For
This top is for buyers looking for a long-sleeve thermal underwear layer that can be worn under other clothing. The V-neck style and base-layer format make sizing and fit the main checks before purchase, especially because the listing gives Asian sizing information.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | Men’s silk long johns thermal underwear top, suitable as a base layer. |
| Colour | White. |
| Size shown | Size S is listed in the title, with a note that S is tag L. |
| Other listed sizes | M, L and XL are also shown, with tag sizes XL, 2XL and 3XL. |
| Fabric | 70% Mulberry knit silk and 30% viscose. |
| Style | Long sleeves and V-neck. |
| Care guidance | Use neutral detergent, wash on a gentle machine cycle or by hand in normal temperature water, then air dry. Do not use bleach. |
How It Works
The top is designed as a long-sleeve undershirt or base layer. It is described as stretch knitted silk fabric, which supports close wear under jeans, shorts or other clothing. The care guidance also suggests it can be washed gently either by machine or by hand.
What To Know Before You Buy
Check the size carefully before ordering, as the listing states the sizes are Asian sizes and smaller than UK/EU sizes. The title specifies White, S, so confirm both the colour and the selected size variation. Review the stated chest and length measurements against your own fit needs before choosing.
Common Buyer Questions
Is this a long-sleeve top?
Yes. It is listed as a long-sleeve thermal underwear top.
What is the fabric made from?
It is described as 70% Mulberry knit silk and 30% viscose.
How should it be washed?
Use neutral detergent, wash gently by machine or by hand in normal temperature water, then air dry. Do not use bleach.
Do I need to check the size carefully?
Yes. The listing says the sizing is Asian sizing and smaller than UK/EU sizes, so the size chart should be checked before ordering.
Final Buying View
This is a white, V-neck, long-sleeve silk thermal underwear top in size S, with several other size options also listed. The main buying checks are the Asian sizing note and the stated chest and length measurements, so compare those carefully with your needs before choosing.












