Stay comfortable even when the environment isn't. Engineered with stretch to fit your body, these are the best FR jeans you'll ever wear. The most durable protection at the lightest weight, this pair is fitted through the hip and thigh with a narrow cut and straight leg.
Fr M5 Straight Duralight Stretch Basic Straight Leg Jean - 400-Lassen | Ariat 10041118
All Brands Size guide
How to Measure
- Chest
Measure just under arms and across shoulder blades holding the tape firm and level. If your chest falls between sizes, order the next size up.
- Natural Waist
Bend side to side and find the natural bend in your body; this is your natural waist. Note: It may not be the smallest point.
- Hips
Measure the fullest point between your natural waist and crotch.
Men's Body Alpha Measurements
| XSM | SML | MED | LRG | XLG | 2XL | 3XL | 4XL | 5XL | 6XL | |
|---|---|---|---|---|---|---|---|---|---|---|
| Chest | 32in | 36in | 40in | 44in | 48in | 52in | 56in | 60in | 64in | 68in |
| Natural Waist | 26.5in | 30.5in | 34.5in | 38.5in | 42.5in | 46.5in | 50.5in | 54.5in | 58.5in | 62.5in |
| Low Hip | 31.5in | 35.5in | 39.5in | 42.75in | 46in | 49.25in | 52.5in | 55.75in | 58.875in | 62in |
| Arm Length | 33in | 33.5in | 34in | 34.375in | 34.75in | 35.25in | 35.75in | 36.25in | 36.75in | 37.25in |
| Inseam | 31.5in | 31.5in | 31.5in | 31.375in | 31.125in | 30.875in | 30.625in | 30.375in | 30.125in | 30.875in |
| Total Height | 70.5in | 70.5in | 70.5in | 70.5in | 70.5in | 70.5in | 70.5in | 70.5in | 70.5in | 70.5in |
| Alpha | P25391 |
Men's numeric sizes
| 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 38 | 40 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Waist | 28.5in | 29.5in | 30.5in | 31.5in | 32.5in | 33.5in | 34.5in | 35.5in | 36.5in | 38.5in | 40.5in |
| Low Hip | 33.5in | 34.5in | 35.5in | 36.5in | 37.5in | 38.5in | 39.5in | 40.375in | 41.125in | 42.75in | 44.375in |
| Thigh | 21.25in | 21.625in | 22in | 22.375in | 22.75in | 23.125in | 23.5in | 23.875in | 24.25in | 25in | 25.75in |
| Inseam | 31.5in | 31.5in | 31.5in | 31.5in | 31.5in | 31.5in | 31.5in | 31.5in | 31.5in | 31.375in | 31.25in |
Men's numeric sizes
| 42 | 44 | 46 | 48 | 50 | 52 | 54 | 56 | 58 | 60 | 62 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Waist | 42.5in | 44.5in | 46.5in | 48.5in | 50.5in | 52.5in | 54.5in | 56.5in | 58.5in | 60.5in | 62.5in |
| Low Hip | 46in | 47.625in | 49.25in | 50.875 | 52.5in | 54.125in | 55.75in | 57.375in | 58.875in | 60.375in | 62 |
| Thigh | 26.5in | 27.25in | 28in | 28.625in | 29.25in | 29.875in | 30.5in | 31.125in | 31.75in | 32.25in | 33 |
| Inseam | 31.125in | 31in | 30.875in | 30.75in | 30.625in | 30.5in | 30.375in | 30.25in | 30.125in | 30in | 29.875in |
Stay comfortable even when the environment isn't. Engineered with stretch to fit your body, these are the best FR jeans you'll ever wear. The most durable protection at the lightest weight, this pair is fitted through the hip and thigh with a narrow cut and straight leg.