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Discontinued Product!

The Alpinestars Stella Sigma Drystar Jacket
has been discontinued and will not be returning
Replacement Suggestion:
Alpinestars Women's Jackets
Out of Stock
Alpinestars Stella Sigma Drystar Jacket
  • Alpinestars Stella Sigma Drystar Jacket - Black
  • Alpinestars Stella Sigma Drystar Jacket
  • Alpinestars Stella Sigma Drystar Jacket

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Video Reviews (2)

Alpinestars Stella Sigma Drystar Jacket Videos

Alpinestars Stella Sigma Drystar Jacket


  • Women's Stella Sigma Drystar 100% waterproof touring jacket
  • Arm, wrist and waist adjustments
  • Waist connection zipper allows attachment to selected Alpinestars leather and textile pants
  • Removable CE-certified soft elbow and shoulder protectors, chest pad compartments with PE protection padding (Alpinestars Stella Nucleon chest guards available as accessory upgrade), back protector compartment with PE padding (CE-certified RC back protector available as accessory)
  • Zippered chest and arm ventilation, dual closure system, reflective print for increased visibility at night
  • Removable thermal liner
  • 4 external pockets
  • Rubber and embroidered logos

Alpinestars Women's Jacket Sizing:

Sizing Notes!

Numerical sizes displayed on our website are in Euro sizing.

Euro Dress Size  Alpha Chest (cm) Bust (cm) Waist (cm) Hips (cm) Arm (cm) Height (cm)
36 0 2XS 74-78 78-82 58-62 82-86 50-51 157-160
38 2 2XS-XS 78-82 82-86 62-66 89-90 52-53 161-164
40 4 SM 82-86 86-90 66-70 90-94 54-55 165-168
42 6 MD 86-90 90-94 70-74 94-98 56-57 169-172
44 8 LG 90-94 94-98 74-78 98-102 58-59 173-176
46 10 LG-XL 94-98 98-102 78-82 102-106 60-61 177-180
48 12 XL 98-102 102-106 82-86 106-110 62-63 181-184
50 14 2XL 102-106 106-110 86-90 110-114 62-63 181-184
52 16 2XL-3XL 106-110 110-114 90-94 114-118 64-65 185-188
54 18 3XL 110-114 114-118 94-98 118-122 64-65 185-188

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

How To Measure

C Chest Measure around the fullest part of your chest, under the armpits, keeping the measuring tape parallel to the ground.
B Bust Measure around the fullest part of the bust, keeping the tape parallel to the ground.
W Waist Measure around your natural waistline, around the top of the hip bones, inline with the navel while keeping the measuring tape parallel to the ground.
HP Hips Measure the circumference, from pelvic bone to pelvic bone, at the widest part of your hips below the waist.
H Height With no shoes on, stand with your back against a wall and your feet together. Measure from the floor to the top of your head.
A Arm (Shoulder to Wrist) Standing up straight with your arms at your sides, measure from the Acromion or summit of your shoulder, down to your wrist bone, along the outside of the arm.
D Dress Size What size dress do you wear?
Product Style RevZilla Item # Manufacturer Product # Availability
Black / SM 303950 28220121/321657-10-S Out of Stock
Black / MD 303951 28220122/32165710M Out of Stock
Black / LG 303952 28220123/321657-10-L Out of Stock
Black / XL 303953 28220124/321657-10-XL Out of Stock


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Please see our International Orders page for orders shipping outside the US.

We show real-time availability on this product page when you select the size/color item you want.  Most items will ship the same business day an order is placed,however if an item requires additional processing time a message will be shown indicating such.

See our full Shipping Policy for further details.


If your order arrives and it is not right, we will we'll fix it, NO NONSENSE, we promise.

Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.

See our full Return Policy for all of the pertinent details.

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Alpinestars Stella Sigma Drystar Jacket 4.7 5 10 10
works great but not comfy around the neck I have used this without the lining in texas dry summer riding with the zippers open and while moving i was fine. At stops not so cool but that is expected from a jackeet designed for water proofing and cooler temps. With the liner it stays very warm and water proof, keeping my core warm riding in the 30s.. however.. my biggest complaint is the neck. Where it zips up in the front and latches over is uncomfortably seated on my throat in the sport bike leaning forward position (im shorter so i lean forward quite a bit). Also without the liner, there is an annoying piece of velcro in the back that catches the base of my ponytail. I put a piece of 3m velcro over it but i think they should have thought that through better. I tend to leave the top of the zipper open a little and tuck in the flap to fix that part, so in winter i end up wearing a neck gator to keep the warmth in on my neck. All in all it works great and i use it often. It fits the same as my other alpinestars jackets and it will definitely keep you warm with the liner (and neck gator) and my shirts stay dry underneath in the rain. I like placement of the protective armor. January 1, 2015
Glad I bought this 1st time out w/this jacket, I went down Highway 1 & a little ways into the redwoods. The weather was chilly & damp & I dealt w/a little rain. This jacket was perfect. Even without the liner, I was warm & comfortable. Didn't get soaked. I don't know how it'll do in a downpour, but 20 minutes or so of showers and a ton of drizzle were no problem. Velcro waist fasteners are not ideal, but they're all right. Ditto for wrists. 2 logos are rubber/plastic, pretty dumb, but at least they aren't huge & there aren't many. This jacket, like my other AStars jacket, seems to run small. All in all, I'm really glad I got this jacket. It does its job really well, it's put together nicely, and it looks good. It's a good deal for the $. December 2, 2014
Alpinestar Awesome! I have never been disappointed with an Alpinestar purchase. Jacket was comfie. Liner is cool. On those chilly nights just snap in the liner and your good to go. Also, this will not be the last time I order from Revzilla. Fast, free shipping A++. Only gripe would be to the delivery guy, box was just about open when I got it. Would have been upset had item fallen out! May 15, 2014
Excelent jacket, very comfortable my girlfriend love it. Hi, i bought this jacket for my girlfriend and she love it, buuuut is the first jacket we´ve use cause i´m i relative new street driver, what can i tell is that the features are great, airflow system works very well, i little thing to be consider is that the rainnig liner is attached to the heating liner so you cannot separate them but that is not really a problem, the jacket look really nice and if you are going to use it on a very cold weather it should work i use it on a 70 degrees area and works perfect, it is also good for higher temperatures. March 13, 2014
Beautiful jacket I wanted a good-looking winter jacket with body armor and tried a lot of jackets on in my local bike shop, as well as looked at tons online. I think that this coat is one of the best-looking out there. The material and workmanship are incredible, too. I recommend going up one size: I'm 5'5", 115 lbs. and usually wear a SM but exchanged it for a MED. If the shoulder armor doesn't sit quite right, it's probably too small. (The turn-around time for exchanges is very quick, BTW.) I love Revzilla. They are my default bike store for almost everything. December 8, 2013
Great Jacket I am really liking this jacket, the sale price is great too! I also bought the SAS-TEC back protector and it fits well inside the pocket. May 13, 2013
Great cool weather jacket I purshased this jacket for my girlfriend as a late fall, winter, and early spring riding jacket. The jacket comes with a removable liner that is also very warm. The jacket ran a bit small but the return was handled smoothly by Revzilla. So far the only complaint that my girlfriend has is that the collar is a bit uncomfortable when in the riding position. June 6, 2012
Nice Girls Jacket I bought this for my girlfriend and she found it to be very confortable, stylish, warm... the only complain is that it is a bit too warm. April 27, 2012
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