Question 1

High. I am comparing the Atom SV at 120gsm vs the Nuclei SV at 90gsm. The literature for the Nuclei says it is your warmest synthetic. Is it the design that makes it warmer even though there is less insulation. Thanks

Amelie, Arc'teryx Guest Services · Accepted Answer

Hi there, thank you for your question. The Nuclei SV is generally considered our warmest synthetic insulated jacket, even though it uses 90 g/m² of Coreloft Continuous insulation compared to the Atom SV's 120 g/m² of Coreloft™ synthetic insulation. The difference comes down to more than just the insulation weight. The Nuclei SV is designed specifically for maximum warmth during static activities and harsh conditions. It features a highly wind-resistant outer fabric, a thermally efficient construction that minimizes heat loss, and Coreloft Continuous insulation, which is particularly effective at retaining warmth and loft over time. The fit and overall design are optimized to trap warm air and reduce drafts. The Atom SV, while also very warm, is designed as a more versatile insulated piece for a broader range of activities. It prioritizes a balance of warmth, breathability, mobility, and everyday usability rather than maximizing heat retention above all else. If your primary goal is obtaining the warmest synthetic insulation piece for cold conditions, belaying or low-output activities, the Nuclei SV would generally be the warmer of the two options. The Atom SV is often the better choice if you need greater versatility and comfort across a wider range of activities. I hope this helps with your decision.

Question 2

Availability. Could you please let me know when this product will be back in stock? Also, what temperature range does the manufacturer recommend for thermal comfort?

River, Arc'teryx Guest Services · Accepted Answer

Hello Piotr, thank you for reaching out. We don’t have a specific restock date for the Atom SV Hoody at the moment, but we’re gradually introducing our Fall/Winter 2026 collection, so you can expect more stock to arrive as the season rolls out. In terms of thermal comfort, the Atom SV doesn’t have a manufacturer‑defined temperature rating, as warmth varies a lot depending on your activity level, layering, and personal comfort. What we can share is that it’s our warmest Atom, built with Coreloft™ synthetic insulation and a durable, air‑permeable face fabric that balances heat retention with breathability. It’s designed for cold conditions and high‑output activities where you need warmth without overheating. If you’d like help choosing the right layer for your environment or activity, we’re happy to assist.

Question 3

Does the Atom SV pair well with the Beta AR Jacket? Which would be better in this setup – with or without the hood?

Helio, Arc'teryx Guest Services · Accepted Answer

Hi there, great question! Yes, the Atom SV pairs well with the Beta AR Jacket as a midlayer. The Atom SV provides substantial synthetic insulation, making it an excellent choice for cold to very cold conditions, while the Beta AR serves as a durable, weatherproof outer shell. Both the hooded and non‑hooded versions layer comfortably under the Beta AR, so the decision mainly comes down to personal preference: the hooded version adds extra warmth and versatility when worn on its own, while the non‑hooded version offers a cleaner, lower‑bulk fit if you prefer less material around your neck and hood area. If you anticipate you'll be in harsher cold conditions or are looking for our warmest Atom, the Atom SV is a strong choice either way.

Question 4

Wassersäule wie hoch? Danke

Helio, Arc'teryx Guest Services · Accepted Answer

Hallo Theo, vielen Dank für deine Frage! Alle Arc’teryx GORE-TEX Produkte haben eine Wassersäule von 28.000 mm. Der Atom SV Hoody ist eine Isolationsjacke ohne GORE-TEX Membran. Daher gibt es keine Angabe bezüglich Wassersäule für dieses Modell. Der Atom SV Hoody wird als wärmender Midlayer oder Außenschicht getragen.  Das Modell hat eine DWR-Imprägnierung, damit leichter Niederschlag abperlt, ist aber nicht wasserdicht. Wenn du nach einer Jacke suchst, die dich zuverlässig trocken hält, empfehlen wir dir unsere Hardshell-Kollektion: https://arcteryx.com/ch/de/c/mens/shell-jackets.

Question 5

Can I wear a Gamma Jacket over it?

Seymour, Arc'teryx Guest Services · Accepted Answer

Hi Jack, thanks for reaching out. Yes, the Atom SV Hoody can be worn as a midlayer, and pairing it with a Gamma Jacket can work depending on your fit and layering preference. We recommend reviewing our sizing chart and fit guide to ensure a comfortable fit when worn together. We hope this helps!

Question 6

How does the SV hold up for skiing and how big are the pockets (are they just hand pockets)? I have a shell and would like to have option to use a jacket sometimes. thanks

Luna · Accepted Answer

Hi there, thank you so much for your question! The Atom SV Jacket was designed for frigid hikes and above-the-treeline adventures. It features two hand pockets along with one internal chest pocket. We’re happy to share the approximate pocket dimensions for reference.

Hand Pockets:
19.7 x 18.1 x 21.6 x 26.7 cm

Chest Pocket:
26.7 x 23.5 x 25.4 x 23.5 cm

While the Atom SV features breathable Coreloft™ 120 (120 g/m²) insulation and can be used for a variety of activities, it was not designed specifically for snowsports. If you are looking for an insulated option designed for skiing, try checking out the Allium Insulated Jacket. The Allium is a midlayer or standalone freeride softshell that features two weights of Coreloft™ insulation, Coreloft™ Stretch, 25gsm and 40gsm, to provide warmth while maintaining breathability and minimizing bulk during movement. We also offer free returns, so you're welcome to order two both and keep the one that works better for you. You can find the details here: https://arcteryx.com/us/en/help/returns. We hope this helps!

Question 7

What are chest and width measurements for the L and XL? Thanks

Helio, Arc'teryx Guest Services · Accepted Answer

Hi John, thank you for reaching out. Here are the requested measurements for the Atom SV Hoody Men's:

Size L
Chest Width: 130.6cm
Waist Width: 121.6cm
Hem Width: 123.6cm

Size XL:
Chest Width: 140.6cm
Waist Width: 131.6cm
Hem Width: 133.6cm

We hope this helps!

Question 8

What are the garment measurements for chest width of the XL and XXL?

Seymour, Arc'teryx Guest Services · Accepted Answer

Hi there, thanks for reaching out. The Atom SV Hoody has a chest width of 140.6 cm in size XL and 150.6 cm in size XXL. We hope this helps!

Question 9

Hello! Could you please provide measurements of chest and center back for size M and L? Thanks!

Helio, Arc'teryx Guest Services · Accepted Answer

Hi there, thank you for your question. Here are the requested measurements for the Atom SV Hoody Men's:

Size Medium
Chest Width: 123cm
Center Back Length: 72.5cm

Size Large
Chest Width: 130.6cm
Center Back Length: 75cm

We hope this helps!

Question 10

what is the centre back length of a Men’s S VS XS in this jacket?

Luna · Accepted Answer

Hi Sarah, thank you for your question! We would be happy to provide the measurements for you.

Size S
Centre Back Length: 70.0 cm

Size XS
Centre Back Length: 68.7 cm

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