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Discontinued Product!

The Alpinestars Viper Air Jacket (Size 3XL Only)
has been discontinued and will not be returning
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Alpinestars Viper Air Jacket

This fashionably street-styled summer jacket features a mesh-on-mesh structure to offer unsurpassed levels of internal climate control. Pre-curved sleeves with Velcro® volume adjustments, together with versatile V-ring waist fit, make the Viper highly customizable. The comfort benefits are ramped up with a removable windproof inner vest lining.


  • Constructed from hard-wearing 600 Denier poly-fabric outer shell reinforced with PU
  • Extensive double mesh on mesh panel construction on front and rear panels
  • Removable windproof inner vest lining to allow jacket to be worn in wet weather
  • Full interior mesh liner with VELCRO® brand closures ®closing wallet pocket
  • Airflow-intake system on lower arms with perforated gusset
  • Removable CE-certified Bio-Armor shoulder and elbow protection
  • Chest protector compartment (Alpinestars Nucleon chest protector available for purchase separately) 
  • Back protector compartment with PE comfort padding (CE certified back protector insert available as accessory)
  • Neoprene comfort edge on cuff and collar
  • Collar constructed from padded 3D mesh
  • Elongated rear profile, plus Velcro® and D-ring waist adjustment
  • Pre-curved sleeves
  • External zippered hand pockets
  • Internal waist connection zipper allows attachment to selected Alpinestars pants
  • Reflective detailing on front and back
  • Stitched and printed logos and YKK auto locking zippers
Write a Product Review for a chance to win our monthly $100 giveaways.
Alpinestars Viper Air Jacket 4.5 5 130 130
Really impressed with this jacket I absolutely love the feeling of this jacket feels great, keeps you cool in the heat when riding and the color is bright for others to see you plus matches my bike August 10, 2015
Great jacket for the money Overall, Im satisfied with the product. Definitely was worth $200. Gets good airflow, which is awesome in hot days. I would recommend this jacket if you are on a budget and in need of a riding jacket. August 10, 2015
Super Comfortable And Stylish Coat I've ridden with this jacket for a few months now. It did fantastic in texas autumn but is a little too toasty for summer, even with all the venting opened its just way too hot down here anyway. All the features are great and it looks fantastic while it's on. It runs a little small, I had to buy a size up. I am very confident in the padding if anything ever happens. Definitely would buy this jacket again for this price. August 3, 2015
Great summer jacket! I love this jacket! Good airflow and styling is just about right - not too flashy/arrogant but not too muted, either. Paddings could be better around the elbows but I suppose that can be upgraded. I'm 5'8 152 slim athletic build. Fits me well! August 3, 2015
Great summer jacket VERY lite and great quality. If you need a breathable lite summer jacket it's a great one to go with. The armor is stiff compared to my icon jacket with the d30 pads but its not awful, also very stylish but this XL fits tighter than my icon L. For the money though I'd imagine that this jacket would be tough to beat. August 3, 2015
Great Summer Jacket! Got this jacket about a month ago and im loving it, great for summer riding although the arms do get a little sticky and tight after a while. But overall a great jacket for not that much! August 3, 2015
Excellent Jacket Very Good Jacket. Great build quality and venting. I wear this jacket every day year round in SW Florida. Temps hit 90+ with high humidity in the summer, yet I stay fairly cool as long as I'm moving. It comes with good armor in forearm/elbow and shoulders, also foam chest and back pads that can be upgraded to CE armor. I Recommend This Jacket 5 Stars! August 1, 2015
Great looks, great air I needed a free-flowing sportbike jacket that was suitable for 80+ degree tropical riding, but that still had full protection. This jacket fit the bill. Great looks, nice sleeve venting and options to upgrade armor including chest and back. I have three jackets by different manufacturers - all in large - and all provide about the same fit. July 27, 2015
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Use our Product Q&A for a chance to win our monthly $100 giveaways.

Have a functionality, fit, or otherwise product-specific question about the Alpinestars Viper Air Jacket (Size 3XL Only)? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

Alpinestars Viper Air Jacket (Size 3XL Only)
Already Asked: 3 Questions, 17 Answers
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RevZilla Store asked: Why did you choose this?
Myriam F: I wanted a jacket for everyday and give me protection on hot days in florida. Mar 18, 2015
Brenda C: good price. good jacket. good quality Mar 9, 2015
John G: good product and good price Mar 2, 2015
Mark Y: Great visibility colors that go with my red Griso. Also the California Central Valley gets hot in the summer (100+). Aug 27, 2014
G I: I read the reviews of others. Description from the video. Good value. Airflow in a hot climate Aug 20, 2014
William T: For some a/c while riding in the summer heat! It has gotten to the point that wearing my Alpinestars GP Plus Perforated Leather was giving me heat stroke, (jk), but, to be honest, the leather was just too hot so within a half hour of riding in 80 degree weather, I was DRENCHED in sweat! I REALLY HOPE this helps out Jun 25, 2014
Ray W: Color, price and Alpinestars reputation. Jun 14, 2014
Connie H: Alpinestars Jackets are excellent quality for the money, and the color scheme is awesome! Jun 1, 2014
Damien A: Love the color Jun 1, 2014
kevin r: nice design great for summer weather. great protection. May 28, 2014
A shopper asked: I'm 5ft 11 and 160lb. Have any clue what size jacket I would wear? May 28, 2014
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Valeria Q: I think LARGE will be a good fit for you. May 28, 2014
Reply to Valeria Good answer? Yes (1) No (0)
Jayson F: I'm 5'3" at 130 and a small fit me perfectly. Not sure if that would help much but it should give you a better guess at what size to get. May 28, 2014
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Brian S: I am 6'2", 200 lbs and the large fits awesome. Great jacket and would recommend it to everyone. May 28, 2014
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Donald H: I'm 5'08" and 195lbs and size large worked for me. I Hope this helps! Jun 17, 2014
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A shopper asked: I would like to purchase an Alpinestars Viper air jacket (white and red) but I am unsure which size to get due to middle age spread? My measurements in CM's are Chest 117, Waist 122, 128 seated and Arms 71? Feb 22, 2015
Answer this · Send to friends Good question? Yes (0) No (0)
sachin d: I am 32 inch waist. I got the medium and it fits very snug. on days that I feel fat (you know which those days are!), sometimes, my zipper comes off if I bend down (off bike) or twist around at the waist. This jacket is GREAT! I love it on the bike, but, it is def meant for a snug tight fit. On a related note: these jackets are supposed to fit tight because, in an accident, you don't want the jacket to slide on your body and stretch, tear or whatever. Feb 22, 2015
Reply to sachin Good answer? Yes (0) No (0)
Scott P: I am 5'10" and weigh 185 lbs. My chest is about 42" and I am getting that middle age belly too. I have this jacket in an XL size and it is quite comfortable, perhaps a bit on the loose side. Feb 22, 2015
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majdy a: I think the best size which is available is 4xl (64).
Best regards
Feb 22, 2015
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Men's Jackets Sizing

Euro USA Alpha Chest (cm) Waist (cm) Hip (cm) Arm (cm) Height (cm)
42 32 2XS 82-86 68-72 83-87 51-52 159-163
44 34 2XS-XS 86-90 72-76 87-91 53-54 164-167
46 36 XS-SM 90-94 76-80 91-95 55-56 168-171
48 38 SM-MD 94-98 80-84 95-99 57-58 172-175
50 40 MD 98-102 84-88 99-103 59-60 176-179
52 42 LG 102-106 88-92 103-107 61-62 180-183
54 44 XL 106-110 92-96 107-111 63-64 184-187
56 46 XL-2XL 110-114 96-100 111-115 65-66 188-191
58 48 2XL 114-118 100-104 115-119 67-68 192-195
60 50 3XL 118-122 104-108 119-123 67-68 192-195
62 52 3XL-4XL 122-126 108-112 123-127 69-70 196-199
64 54 4XL 126-130 112-116 127-131 69-70 196-199

Note: Alpinestars sizes displayed on our website are in Euro sizing, use the chart above to convert your standard US size to Euro. 

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

Click here to see the full Alpinestars Size Chart
Product Style RevZilla Item # Manufacturer Product # Availability