Use the Muck Boot sizing information below to help select the best size for safety-toe work boots. Many Muck work boots use unisex sizing. The size shown on the boot is the men's size, while women should use the corresponding women's equivalent shown below.
Muck Work Boots
Muck unisex work boots use whole-size U.S. men's sizing. Women should use the corresponding women's equivalent shown below. Use foot length as the primary guide.
| US Men's Size | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| US Women's Equivalent | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | — |
| Foot Length (in.) | 8.1 | 8.4 | 8.7 | 9.0 | 9.3 | 9.6 | 9.9 | 10.3 | 10.6 | 10.9 | 11.3 | 11.6 | 11.9 | 12.2 | 12.5 | 12.8 |
| Foot Length (cm) | 20.6 | 21.3 | 22.1 | 22.9 | 23.5 | 24.4 | 25.4 | 26.0 | 27.0 | 27.9 | 28.6 | 29.4 | 30.2 | 31.0 | 31.8 | 32.5 |
Unisex sizing: Muck's unisex boots use men's sizing as the size shown on the product. Women should generally choose one size down from their usual women's size.
Whole sizes: Most Muck work boots are sold in whole sizes. Muck notes that the boots are designed with toe allowance and can accommodate many half sizes.
Muck Safety-Toe Fit Guide
Muck safety-toe work boots are designed for waterproof protection and worksite use. Fit can vary by style, last, toe construction, and sock thickness.
| Fit Area | Sizing Guidance |
|---|---|
| Foot Length | Measure from the back of the heel to the end of the longest toe. Measure both feet and use the larger foot when comparing to the chart above. |
| Safety Toe | Your toes should have adequate room inside the protective toe area. Safety-toe construction may make the toe box feel firmer than a soft-toe boot. |
| Width | Muck boots are made to standard widths, but the flexible neoprene and rubber construction can accommodate a range of foot widths. |
| Heel Fit | The boot should feel secure without excessive heel slip. Too much movement at the heel can indicate the boot is too large. |
| Calf | Muck's neoprene uppers provide flexibility through the calf and can accommodate a range of calf shapes. Mid-height styles may provide additional comfort for wider calves. |
| Work Socks | Check fit using the type and thickness of socks normally worn on the job, especially with insulated or cold-weather safety-toe boots. |
Half sizes: Muck boots are generally sold in whole sizes. Their current guidance says men who normally wear a half size should typically move up to the next whole size. Women's half-size guidance can vary with unisex conversion, so use the unisex chart and product-specific fit information as the final reference.
Room in the toe: Muck builds toe allowance into its footwear sizing. The goal is enough room for your toes without excessive heel movement.
How to Measure Your Foot
1. Measure later in the day: Muck recommends measuring at the end of the day when feet are at their largest.
2. Stand on a sheet of paper: Place your weight slightly forward so the foot is flat.
3. Mark heel and longest toe: Draw one line behind the heel and another in front of the longest toe. Measure both feet and use the longer foot.
4. Measure the distance: Measure between the lines in inches or centimeters and compare the result to the Muck size chart above.
5. Between sizes: Use Muck's current size and fit guidance for the individual boot, especially when selecting safety-toe or insulated footwear.
Sizing and fit information formatted from current Muck Boot Company manufacturer sizing and fit guidance. Product-specific size availability and fit may vary by style. Sources: Muck Unisex Footwear Size Chart and Muck Boot Size & Fit Guide .