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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Pairs well with
Moving through wild places brings change. Terrain, temperatures, and weather shift, wind leads to rain, then snow. The highly versatile Beta Pant is made to carry you across this range of conditions, landscapes, and activities. The durably waterproof and windproof GORE-TEX fabric features GORE C-KNIT™ Backer Technology for enhanced comfort and breathability. Full side zips make on-and-off easy, and the regular fit with articulated patterning elevates freedom of movement.
Updated with a revised fit.
Technical Features
- Windproof
- Breathable
- Durable
- Waterproof
- 330g
Construction
- GORE C-KNIT™ backer technology is light, soft and comfortable
- GORE-TEX three-layer construction delivers complete weather protection
Design & Fit
- Garment Inseam: Size M-R (Medium-Regular) is 32"/81cm, inseam varies by size
- Articulated patterning for unrestricted mobility
- Gusseted crotch for comfort and freedom of movement
- Eyelets at hem for shock cord attachments
- Elasticized waist
- Drawcord provides a secure, comfortable fit
- Zippered fly with snap
- Full length separating side zippers to allow removal over boots and crampons
- Regular fit
Sustainability
- Contains materials that meet the bluesign® criteria
Materials
- N70p 3L GORE-TEX fabric with GORE C-KNIT™ backer technology
- Origin of fabric: CHINA
- Origin of dying: CHINA
- Releases plastic microfibers into the environment when washing
- French Regulation: AGEC Law - Article 13
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