Question 1

How should this be washed if the jacket is water resistant? How can I maintain this feature of beading?

River, Arc'teryx Guest Services · Accepted Answer

Hello there, thanks for reaching out! The Gamma MX Hoody should be washed just like any of our technical or GORE‑TEX pieces to help maintain its DWR (Durable Water Repellent) performance.

WASHING  
Step 1 — Prepare the garment
- Close the main zipper
- Open pocket zippers and release tension on all drawcords
- Loosen and lightly re‑secure the Velcro cuffs

Step 2 — Wash and rinse
- Add a technical cleaning agent as directed on the bottle
- Wash on medium heat using a regular cycle
- Run a second rinse cycle to remove any soap residue (soap can compromise DWR)

DRYING
- Tumble dry on medium heat for 40–50 minutes — this helps reactivate the DWR
- Test the surface with a light spray of water; if it’s no longer beading, it’s time to re‑apply DWR

ABOUT DWR  
DWR is what causes water to bead and roll off your Gamma MX. Over time, it can wear down — especially in high‑wear areas like the back, shoulders, and cuffs — which is completely normal. Garments where the DWR has worn off can be easily restored by re‑applying a DWR treatment.

DWR APPLICATION
- Lay the jacket flat
- Shake your DWR spray well and apply evenly
- Wipe the surface with a clean cloth or sponge for an even finish
- Tumble dry for 10–20 minutes to boost effectiveness

If you have more questions about product care, visit this page: https://arcteryx.com/us/en/rebird/wash

Question 2

When will the black be back in stock in medium?

Amelie, Arc'teryx Guest Services · Accepted Answer

Hello there, thank you for your interest in our Gamma MX hoody. While we do not have an exact return date, we expect stock to be replenished at some point during the winter season. Availability can fluctuate as we move through the season, so we recommend using the “Notify Me” feature on the product page and subscribing to the Arc'teryx newsletter for the latest updates. You may also wish to check with authorized Arc'teryx retailers for additional availability. We appreciate your patience and hope you're able to secure a medium once it returns.

Question 3

Es buen para la lluvia y nieve?

Nemo · Accepted Answer

Hola, Jorge, gracias por ponerte en contacto con nosotros. La Gamma MX Hoody ofrece protección ligera frente a los elementos, pero no está diseñada para ofrecer la protección de una auténtica chaqueta impermeable para lluvia o nieve. Su tejido softshell Fortius™ 2.0 ofrece una excelente protección contra el viento, abrigo y elasticidad, y aguanta bien la nieve ligera o exposiciones breves e intermitentes a la humedad. Para lluvia persistente, nieve húmeda o exposiciones prolongadas, conviene combinarla con una chaqueta impermeable GORE-TEX para que la protección sea completa.

Question 4

which one was warmer between this and Beta (the same priced one)? Can't really find the difference between these two.

Helio, Arc'teryx Guest Services · Accepted Answer

Hi Catherine, thank you for your question. Although we do not rate our garments based on warmth, as warmth can depend on various factors, including layering, activity level, and personal comfort, the Gamma MX Hoody will generally feel warmer than the Beta Jacket. The Beta is a hardshell GORE-TEX jacket designed for waterproof protection, whereas the Gamma MX is a softshell jacket that features a poly fleece backer that provides light insulation and added warmth. If warmth is your priority, the Gamma MX is the better choice. If you're looking for waterproof protection in wet conditions, the Beta Jacket would be the better option. We hope this helps!

Question 5

Hallo, wir haben ein spezielles Imprägnier Programm an unserem Waschtrockner. Ist es nach der empfohlenen Wäsche empfehlenswert für diese Jacke? Danke schön schon mal und einen freundlichen Gruß! Sabine

Seymour, Arc'teryx Guest Services · Accepted Answer

Hallo und danke für deine Frage. Der Gamma MX Hoody ist nicht wasserdicht, weshalb wir das Imprägnierprogramm nach der Wäsche nicht empfehlen. Befolge die anschließenden Pflegeanleitungen für die besten Ergebnisse:

- Schonwaschgang bei niedriger Temperatur (30 °C)
- Bei niedriger Temperatur (pflegeleicht, Schonprogramm) im Wäschetrockner trocknen
- Nicht bleichen
- Dunkle Farben separat waschen
- Nicht chemisch reinigen
- Bei niedriger Temperatur bügeln
- Keinen Weichspüler verwenden
- Extra Spülgang nutzen

Wir hoffen, das hilft dir weiter!

Question 6

Can this use for winter?

Seymour, Arc'teryx Guest Services · Accepted Answer

Hi there, thanks for reaching out. The Gamma MX Hoody can absolutely be used in the winter. That said, since it features a poly fleece backer as light insulation, the key to staying warm will be layering it with the right midlayer and baselayer. We recommend referring to our layering guide for more tips on staying warm: https://arcteryx.com/us/en/shop/layering-guide/. We hope this helps!

Question 7

Hallo, welches Waschmittel sollte ich benutzen? Geht jedes Waschmittel für Funktionskleidung aus der Drogerie? Und geht auch ein reguläres Feinwaschmittel? Danke schön schon mal! :)

Seymour, Arc'teryx Guest Services · Accepted Answer

Hallo und danke für deine Anfrage! Um die beste Performance aus deinem Gamma MX Hoody herauszuholen, empfehlen wir das Nu Funktionswaschmittel (Technical Detergent), da es speziell auf technische Materialien wie dem Fortius™ 2.0 Softshell deines Gamma MX Hoodys abgestimmt ist. Noch mehr Informationen findest du auf unserer ReCare-Seite (Pflege und Reparatur). Wir hoffen, diese Infos helfen dir weiter!

Question 8

What is the difference between gamma Mx hoody and gamma hoody ? In terms of warmth, how is gamma compared to proton hoody and atom hoody ?

Seymour, Arc'teryx Guest Services · Accepted Answer

Hello there, thanks for reaching out. We do not rate our garments for temperature as there are too many factors that influence this result from person to person. That said the main difference between the Gamma MX Hoody and the Gamma Hoody is the material used. The Gamma MX Hoody is designed for mixed weather conditions, featuring Fortius 2.0™ softshell fabric that offers enhanced durability, wind resistance, and an increased warmth-to-weight ratio. In comparison, the Gamma Hoody uses Wee Burly Double Weave fabric, which is lighter and more breathable. The Proton Hoody and Atom Hoody will provide more warmth than the Gamma line, as the Gamma pieces don’t have any insulation. Both the Proton and Atom are synthetically insulated midlayers while the Gamma line are softshells. The Proton and Atom can both be paired with a Gamma to create a versatile layering system that can adapt year-round. This combination gives you insulation when you need it while still allowing for breathability when it is warmer. We hope this helps!

Question 9

Is this model the exact same as the Gamma Heavyweight Hoody? If not, what is the difference?

River · Accepted Answer

Hello Michael, yes, it’s the same model; we’ve simply updated the name. The Gamma MX Hoody was previously known as the Gamma Heavyweight Hoody.

Question 10

Is the Gamma MX womens hoody coming back in stock?

Seymour · Accepted Answer

Hello, 
 
While we do not have an exact return date for the Women's Gamma MX Hoody, stock will fluctuate as we move through the seasons. 
 
We recommend using the “Notify Me” feature, subscribing to Arc'teryx emails for up-to-date product information, or looking to authorized Arc’teryx retailers for additional item availability. 

Thanks for reaching out, and if you have any other questions be sure to give our Customer Service Line a call or fill out a Contact Us Form.

All the best

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