Men's Atom Hoody
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Arc'teryx
Men's Jackets/Shirts Size Chart
NOTE: Men's jackets/shirts fit has been updated with a revised fit. Medium size remains unchanged. 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)
| Size | Sleeve (cm/in) | Chest (cm/in) | Waist (cm/in) | Hip (cm/in) |
| XXS | 78cm (30") | 84cm (33") | 69cm (27") | 83cm (32 ½") |
| XS | 81cm (31 ½") | 89cm (35") | 74cm (29") | 88cm (34 ½") |
| S | 83cm (32 ½") | 94cm (37") | 79cm (31") | 93cm (36 ½") |
| M | 86cm (34") | 102cm (40") | 86cm (34") | 100cm (39 ½") |
| L | 89cm (35") | 109cm (43") | 94cm (37") | 108cm (42 ½") |
| XL | 91cm (36") | 119cm (47") | 104cm (40 ½") | 118cm (46 ½") |
| XXL | 94cm (37") | 129cm (51") | 114cm (44 ½") | 128cm (50") |
| 3XL | 96cm (38") | 139cm (54 ½") | 124cm (48 ½") | 138cm (54") |
International Size Equivalent
| Size | Europe | UK | China | Japan | Korea |
| XXS | 42 | 32 | 170/86A | XS | 85 |
| XS | 44 | 34 | 170/92A | S | 90 |
| S | 46 | 36 | 170/96A | M | 95 |
| M | 48 | 38 | 175/102A | L | 100 |
| L | 52 | 42 | 175/110A | LL | 110 |
| XL | 56 | 46 | 180/118A | 3L | 120 |
| XXL | 60 | 50 | 180/128A | 4L | 130 |
How to find your measurements
Note: Calculate your own body measurements, then select your product size.
- Sleeve: With arm relaxed at your side and slightly bent, measure from center back neck, across shoulder to elbow and down to wrist.
- Chest: With arms relaxed at your sides, measure under your arms, around the fullest part of your chest
- Waist: Measure around your waist at the narrowest part.
- Hip: Standing with feet hip width apart, measure around your hips at the widest part.
Fit Guide
- FITTED: Trimmer fit is patterned to stay close to the body through the chest, waist, hip, and thigh. Its low profile eliminates bulk, moves with the body, and fits comfortably under outer layers.
- REGULAR: Classic fit is cut comfortably throughout the chest, waist, hip, and thigh. It allows freedom of movement, provides shape, and layers comfortably under our regular and relaxed fit shells.
- RELAXED: This fit is cut loosely through the chest, waist, hip, and thigh. Relaxed without sacrificing structure and clean lines, it offers comfort and freedom of movement with a more casual look.
- OVERSIZED: The most generous fit is cut loosely throughout the entire body. Dropped shoulders and wide sleeves provide freedom of movement while offering drape and structure for a contemporary look.
Measurements and Assets Source: arcteryx.com
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Pairs well with
Alpine proven as a midlayer and standalone, this versatile hoody has warmed climbers and backcountry travelers for years. Built to handle a range of conditions and output levels, the latest-generation Atom’s Coreloft™ Compact insulation retains its warmth even if wet and has loft retention to withstand years of packing and unpacking. The water resistant Tyono™ 20 face fabric is breathable and durable, stretch side panels improve fit and freedom, and the insulated StormHood™ adds warmth.
Fitted Fit - This trimmer fit is patterned to stay close to the body through the chest, waist, hip, and thigh. Its low profile eliminates bulk, moves with the body, and fits comfortably over our first layers. This model's fit has evolved. Before you check out, please make sure to reference our sizing chart to determine your correct size.
Technical Features
- Moisture-resistant outer face fabric
- Breathable
- Lightweight
- Compressible and packable
- Insulated
- Wind resistant
- Versatile
- 370g
Construction
- Performance stretch fleece side panels give ventilation
- Resilient Coreloft™ Compact 60 insulation is breathable, warm, and light, performs if wet, and delivers loft retention that resists packing out
- Light, soft Tyono™ 20 is air permeable
- DWR (Durable Water Repellent) finish repels moisture
Design & Fit
- Trim fit for base layer or light mid-layer use
- Stretch-knit cuffs
- Cuff construction increases durability, eases layering and removal
- Dual lower hem adjusters
- Laminated hem
- Slight drop hem
- Adjustable, insulated, low profile StormHood™ with structured mini hood brim
- Two hand pockets with hidden zippers
- Internal chest pocket with zip
- No Slip Zip™ front zipper
- Custom TPU zipper pulls are easy to operate and glove-friendly
- Articulated elbows
- Gusseted underarms for mobility and comfort
Sustainability
- Dope dyed lining fabric
- Contains materials that meet the bluesign® criteria
Materials
- Self: Tyono™ 20 denier shell with FC0 DWR treatment - 100% nylon
- Stretch fleece - 94% polyester, 6% elastane
- Insulation: Coreloft™ 60 (60 g/m²) - 100% Recycled Polyester - bluesign Approved Material
- Lining: Dope Permeair™ 20D - 100% nylon - Dope Dyed, bluesign Approved Material (select colours)
- French Regulation: AGEC Law - Article 13
- Origin of fabric: JAPAN
- Origin of dying: JAPAN
- Releases plastic microfibers into the environment when washing
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Most orders qualify for free shipping when over $99. Heavy/bulky items such as bouldering pads and faster shipping options do not qualify for free shipping.
Work & Rescue Orders may qualify for volume discounts. Volume discount orders do not qualify for free shipping. For a more detailed information on shipping, please go to our Shipping Policy page or learn about Returns and Warranty.