Quick Summary
ZRWASKA men’s thermal underwear set in black, size Small, is a tops and bottoms base layer set for colder weather. It is described as a long sleeve top with long johns trousers, making it a simple winter layer to wear under regular clothing.
The set is described with a 0.45 TOG rating, and the material is stated as 50% cotton and 50% polyester. Colour options are also mentioned as Black, White and Charcoal, while this page variant is Black in Small.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | Thermal underwear set with top and bottoms. |
| Variant | Black, size Small. |
| TOG rating | 0.45 TOG, which is a useful check if warmth level matters for your intended use. |
| Material | 50% cotton and 50% polyester. |
| Care | Machine washable at 40°C, wash separately before wearing, use mild detergent only, do not bleach, line dry. |
What to Compare Before Buying
- Size: Small is stated here, so compare the chest and waist measurements with your own fit needs before choosing.
- Colour: Black is the variant shown, with White and Charcoal also mentioned for the range.
- Warmth level: The 0.45 TOG rating gives a simple guide to the thermal level.
- Set format: This is a top-and-bottom set, so check that you want both pieces together rather than a single garment.
- Care routine: Follow the washing and drying instructions if easy maintenance matters to you.
Before You Decide
Check the size, colour and set format before choosing an offer. If you want a thermal base layer in Small, this set is positioned as a two-piece winter underlayer with a stated 0.45 TOG rating and a cotton-polyester blend. Follow the washing instructions on arrival and before first wear.
Simple First Wear Check
For a first wear, pair the set with everyday clothing or other winter layers and make sure the fit works comfortably before relying on it for longer outings. The key decision points are the size, the top-and-bottom format and the stated care routine.












