Men's Slim-Fit Knit Thermal Underwear Set – XXXL
Add warmth without extra bulk with this men's slim-fit knit thermal underwear set. A snug top and matching pants create a heat-retaining base layer for cool autumn days and cold-weather outfits.
Wear the set beneath your everyday clothing when the temperature drops. The soft knit fabric offers a comfortable feel, while the close-fitting design keeps your layers streamlined.
Product details
- Two-piece men's thermal underwear set: One top and one bottom
- Slim, snug fit for layering beneath clothing
- Soft knit fabric, described by the supplier as warm, comfortable, and durable
- Low-bulk design for everyday cool-weather wear
- Supplier-listed set weight: 18.77 oz (532 g)
- Listed product size: XXXL
Supplier size reference: inches
The original listing identifies this item as XXXL. The supplier also provides the reference measurements below for S–XXXL; this does not confirm that every size is available. Measurements are converted from centimeters and rounded to one decimal place. Supplier labels are not verified US size equivalents.
Top measurements
| Size | Shoulder (in) | Chest (in) | Top length (in) | Sleeve (in) |
|---|---|---|---|---|
| S | 15.2 | 35.4 | 26.0 | 23.6 |
| M | 15.7 | 37.0 | 26.8 | 24.3 |
| L | 16.3 | 38.6 | 27.6 | 24.9 |
| XL | 16.9 | 40.2 | 28.3 | 25.5 |
| XXL | 17.5 | 41.7 | 29.1 | 26.1 |
| XXXL | 18.1 | 43.3 | 29.9 | 26.8 |
Pants measurements
| Size | Waist (in) | Hips (in) | Pants length (in) |
|---|---|---|---|
| S | 26.8 | 33.1 | 34.1 |
| M | 28.3 | 34.6 | 34.8 |
| L | 29.9 | 36.2 | 35.6 |
| XL | 31.5 | 37.8 | 36.4 |
| XXL | 33.1 | 39.4 | 37.2 |
| XXXL | 34.6 | 40.9 | 38.0 |
Compare these measurements with a similar garment that fits you well. Contact customer service if you need help confirming the listed size before ordering.



