Quick Summary
These iClosam men’s thermal bottoms are a dark grey, fleece-lined base layer in size 3XL. The fabric is a 92% polyester and 8% elastane blend, with stretch, an elasticated waistband and a fly opening.
They are described for layering under trousers in cold weather. Check the size information and how the fabric will sit beneath your intended outer layers before choosing.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Brand and model | iClosam, model FNYM00031. |
| Garment | Men’s thermal base layer bottoms with a fleece-lined inner. |
| Fabric | 92% polyester and 8% elastane; the blend includes stretch. |
| Waist and opening | Elasticated waistband and fly opening. |
| Colour and size | Dark grey, size 3XL. |
| Quantity | One item. |
What to Compare Before Buying
- Size: Compare any available size chart or garment measurements with your preferences and the clothing you plan to wear over the bottoms.
- Layering: Consider whether the fleece-lined fabric and close-fitting style will sit comfortably beneath your usual trousers.
- Garment details: Check that the dark grey colour, elasticated waist and fly opening suit your preferences.
- Quantity: The stated quantity is one item, rather than a set.
Who This Product May Suit
These bottoms are presented as a thermal layer for wearing under trousers, including during outdoor activities in cold weather. The polyester and elastane blend, elasticated waistband and fly opening are relevant details when considering them for layered wear. Choose outer clothing appropriate to the conditions rather than relying on the garment details alone to judge suitability for particular weather.
Compatibility, Size and Fit
Size 3XL is the stated variant. Check any available size chart or garment measurements, as the size label alone does not establish how the bottoms will fit. Consider the fit alongside your intended outer trousers and the number of layers you expect to wear.
Before You Decide
Check the measurements for the 3XL option, confirm that one pair in dark grey is the version you want, and consider how the fleece-lined fabric will layer under your trousers.








