Men's Beta Pant
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Arc'teryx
Pants Size Chart
NOTE: Men's pants/shorts fit has been updated with a revised fit. Smaller sizes are now tighter and larger sizes are now looser. If your measurements are between sizes, select a larger size for a looser fit or a smaller size for a tighter fit.
Climb On Equipment size charts for Arc'teryx is the updated size version. Please go to arcteryx.com for old size chart fits. (Last update: Feb 2024)
Alpha Sizing
| Size (cm/in) | Waist (cm/in) | Hip (cm/in) | Regular Inseam (cm/in) | Short Inseam (cm/in) | Tall Inseam (cm/in) |
| XXS | 69cm (27") | 83cm (32 ½") | 79cm (31") | -cm (-") | -cm (-") |
| XS | 74cm (29") | 88cm (34 ½") | 79cm (31") | 74cm (29") | 87cm (34") |
| S | 79cm (31") | 93cm (36 ½") | 80cm (31 ½") | 75cm (29 ½") | 87cm (34 ½") |
| M | 86cm (34") | 100cm (39 ½") | 81cm (32") | 76cm (30") | 89cm (35") |
| L | 94cm (37") | 108cm (42 ½") | 82cm (32 ½") | 77cm (30 ½") | 90cm (35 ½") |
| XL | 104cm (40 ½") | 118cm (46 ½") | 83cm (33") | 78cm (31") | 91cm (36") |
| XXL | 114cm (44 ½") | 128cm (50") | 83cm (33") | 78cm (31") | 91cm (36") |
Several models of Arc'teryx pants are sized numerically and may be available in different inseam lengths. Please refer to the specific product page to see which waist size and inseam lengths are available for your product.
Numerical Sizing (inches)
| Size | Waist | Hip | Regular Inseam | Short Inseam | Tall Inseam |
| 28 | 30" | 35 ½" | 31 ½" | 29 ½" | 34" |
| 29 | 31" | 36 ½" | 31 ½" | 29 ½" | 34 ½" |
| 30 | 32" | 37 ½" | 31 ½" | 29 ½" | 34 ½" |
| 31 | 33" | 38 ½" | 31 ½" | 30" | 34 ½" |
| 32 | 34" | 39 ½" | 32" | 30" | 35" |
| 33 | 35" | 40 ½" | 32" | 30" | 35" |
| 34 | 36" | 41 ½" | 32" | 30" | 35" |
| 36 | 38" | 43 ½" | 32 ½" | 30 ½" | 35 ½" |
| 38 | 40" | 45 ½" | 33" | 31" | 36" |
How to find your measurements
Note:Calculate your own body measurements, then select your product size.
- Waist: Measure around your waist at the narrowest part.
- Hip: Standing with feet hip width apart, measure around your hips at the widest part.
- Inseam: From a standing position, measure from your crotch down the inside leg to the floor.
Measurements and Assets Source: arcteryx.com
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