Quick Summary
The Under Armour Women’s UA Authentics Mockneck is a thermal long sleeve top for women with a mock neck for added coverage. It uses a dual-layer fabric with an ultra-warm, brushed interior, and the fit is described as streamlined rather than too tight or too loose.
The top also includes mesh underarm panels, sweat-wicking, fast-drying material and anti-odour technology. The stated material content is 87% polyester and 13% elastane.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Under Armour – useful for confirming the exact range and styling. |
| Product type | Women's thermal long sleeve top / base layer. |
| Neck style | Mock neck, giving added coverage at the neck. |
| Fabric | 87% polyester and 13% elastane. |
| Interior | Dual-layer fabric with a brushed interior. |
| Ventilation | Mesh underarm panels. |
| Care-related feature | Anti-odour technology. |
| Fit | Streamlined fit intended to sit close to the body. |
What to Compare Before Buying
- Fit: The fitted cut is described as streamlined, so check that you want a close-fitting layer rather than a looser top.
- Neck coverage: The mock neck gives more coverage than a standard crew neck, which matters if you want extra warmth at the collar.
- Fabric mix: The 87% polyester and 13% elastane blend may matter if you prefer a particular feel or stretch level.
- Layering use: It is presented as a base layer, so compare it with the layers you plan to wear over it.
Before You Decide
Check the streamlined fit, mock neck and fabric mix against the way you want to layer and wear the top. If you want a closer-fitting thermal layer with added neck coverage, this is the key version to compare.





