| Unit | Sizes | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| US & Canada | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 |
| UK | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 |
| Europe | 35 | 35 | 35-36 | 36 | 36-37 | 37 | 37-38 | 38 | 38-39 | 39 | 39-40 | 40 | 40-41 | 41 | 41-42 | 42 | 42-43 |
| Inches | 8.2 | 8.3 | 8.5 | 8.8 | 8.9 | 9.1 | 9.3 | 9.4 | 9.5 | 9.7 | 9.9 | 10 | 10.2 | 10.3 | 10.5 | 10.7 | 10.9 |
| Centimeters | 20.8 | 21.3 | 21.6 | 22.2 | 22.5 | 23 | 23.5 | 23.8 | 24.1 | 24.6 | 25.1 | 25.4 | 25.9 | 26.2 | 26.7 | 27.1 | 27.6 |
There have been many upgrades in technology over time allowing for better products from Rocky. One of the key technology changes has been in better designs. Women's Rocky 10" stock # 4090 work boot is made with a standard lacing option, plus the easy on-off feature of a side zipper. An additional key comfort feature of Rocky stock # 4090 is its contoured removable EVA insole that provides direct underfoot cushioning. Another feature of Rocky 4090 is its rugged rubber lug outsole for durability. If you are looking for a rugged women's 10" uniform work boot with the dual options of lacing or zipping them as needed, the Rocky 4090 work boot may have just what you are seeking.