Quick Summary
The Under Armour Girls Knockout Workout Tank Top is a girls’ activewear tank top in black, size M. It is made from super soft, breathable fabric with 4-way stretch construction, and the fit is loose.
This tank also includes T-back straps and wordmark taping details. The fabric is stated as 90% polyester and 10% elastane.
Who It Is Best For
This tank is for girls looking for workout or running gear with a loose fit and stretch fabric. It is also a straightforward option for anyone choosing a black size M training top and wanting the listed style details.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Under Armour, which identifies the product clearly. |
| Product type | Girls’ workout tank top for exercise or training wear. |
| Colour | Black, which matters if you are matching an outfit or replacing a specific colour. |
| Size | M, so check the selected size before ordering. |
| Fit | Loose fit, giving a more relaxed shape. |
| Fabric | 90% polyester and 10% elastane. |
| Construction | 4-way stretch construction for movement. |
| Style details | T-back straps and wordmark taping details. |
Why Buyers Choose It
- The super soft and breathable fabric is a useful detail for general activewear wear.
- 4-way stretch construction gives the fabric more movement than a fixed structure.
- The loose fit may suit buyers who prefer a less close-fitting training top.
- T-back straps and wordmark taping add the stated style details.
What To Know Before You Buy
Check the size carefully, as this version is marked M. The fit is loose, so it is worth comparing that with the way you want the top to sit. The colour is black, and the listed fabric mix is 90% polyester and 10% elastane.
Pros: It combines a loose fit, 4-way stretch construction and the listed style details in one girls’ workout tank top.
Cons: The size and fit need checking before ordering because this listing is for a specific M option.
Common Buyer Questions
What size is this tank top?
It is marked M, so it is the medium size option.
What is the fit like?
It has a loose fit rather than a close-fitting shape.
What is it made from?
The fabric is listed as 90% polyester and 10% elastane.
Does it have stretch?
Yes, it uses 4-way stretch construction.
Final Buying View
This Under Armour girls’ workout tank top is a clear choice if you want the black M version with a loose fit, stretch fabric and the listed style details. Check the size and fit before ordering to make sure it matches your needs.





