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All Mizzen+Main shirts have four-way stretch and back darts for a more tailored look.

Their Trim fit shirts are made to be fitted for a more custom made, tailored feel.

Their Classic fit is a more relaxed cut and gives 4” of additional room in the body and arms.
These apply to all Trim Fit tops, and regular fit layering/outerwear items.
| Size | Neck | Chest | Waist | Arm (LS) |
|---|---|---|---|---|
| XS | 13” - 13.5” | 35” - 36” | Up to 33” | 31” - 32” |
| S | 14” - 14.5” | 37” - 38” | Up to 35” | 32” - 33” |
| M | 15” - 15.5” | 39” - 41” | Up to 37” | 33” - 34” |
| L | 16” - 16.5” | 42” - 44” | Up to 40” | 34” - 35” |
| XL | 17” - 17.5” | 45” - 47” | Up to 43” | 35” - 36” |
| XXL | 18” - 18.5” | 45” - 50” | Up to 46” | 36” - 37” |
| Size | Neck | Chest | Waist | Arm (LS) |
|---|---|---|---|---|
| M | 15” - 15.5” | 43” - 45” | Up to 41” | 33” - 34” |
| L | 16” - 16.5” | 46” - 48” | Up to 44” | 34” - 35” |
| XL | 17” - 17.5” | 49” - 51” | Up to 47” | 35” - 36” |
| XXL | 18” - 18.5” | 52” - 54” | Up to 50” | 36” - 37” |
| Size | Chest | Waist | Sleeve |
|---|---|---|---|
| 38 | 38” - 39” | 30.5” - 32” | 32.5” - 33” |
| 40 | 40” - 41” | 32.5” - 34” | 33” - 33.5” |
| 42 | 42” - 43” | 34.5” - 36” | 33.5” - 34” |
| 44 | 44” - 45” | 36.5” - 38” | 34” - 34.5” |
| 46 | 46” - 47” | 38.5” - 40” | 34.5” - 35” |
| 48 | 48” - 49” | 40.5” - 41” | 35” - 35.5” |
| Neck: | Measure around your neck, just below your Adam’s apple. |
|---|---|
| Chest: | Measure around the fullest part of your chest, under the armpits and over the shoulder blades. |
| Waist: | Measure around the smallest part of your waist at belly button level (typically where you bend from side to side). |
| Sleeve: | Measure from the center back of your neck along your shoulder and elbow to your wrist. |