Quick Summary
The 5.AA B21 is a men’s tactical high top boot in green, sized UK 9. It combines a lace-up front with a side zip for easier on and off, and the description also names a breathable upper, moisture-wicking lining and a rubber outsole.
The boot is presented as a general outdoor and work style. If fit, fastening and the exact size matter, check the selected UK size before choosing an offer.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand / model | 5.AA B21. Useful for matching the exact boot variant. |
| Product type | Men’s tactical high top boots. A clear style check matters if you want a boot rather than a trainer or shoe. |
| Colour | Green. Helps confirm the chosen variant. |
| Size | UK 9. Check this against the wearer’s usual size before buying. |
| Fastening | Lace-up with side zip and velcro closure mentioned. This affects how the boot is put on and adjusted. |
| Upper / lining | Breathable upper and moisture-wicking lining are named. These features are relevant if breathability matters to you. |
| Outsole | Rubber outsole is named, with a grip-focused tread pattern described. |
What to Compare Before Buying
- Size: The listed size is UK 9. Compare it with the wearer’s usual fit and any sizing preferences.
- Fastening: Lace-up, side zip and velcro are all mentioned. Check that this combination suits how you want to wear the boot.
- Style: This is a high top tactical boot. Make sure that style matches the look and support you want.
- Variant: Green is part of the item identity. Confirm the colour before ordering.
Choosing the Correct Version
This model is identified as 5.AA B21 in green and UK 9. Those are the main version checks to confirm before choosing an offer, especially if you need a different size or colour.
Before You Decide
Confirm the exact size, colour and fastening style before choosing an offer. If you need a different UK size, the wrong variant could be an awkward fit. The boot is described as a tactical high top style, so make sure that is the format you want.





