New: Alpinestars Celer and Viper jackets

ALPINESTARS has released a new performance leather jacket and a sports textile jacket.

The Celer is a leather technical jacket for street and track riding. A MotoGP-derived perforated back hump and Alpinestars' Dynamic Flow Control zippered vents to keep you cool, and strategically-placed stretch paneling for an excellent fit. The Celer sells for £450.

The Viper Air is a street-styled, mesh-on-mesh jacket. Pre-curved sleeves with Velcro adjustments and a V-ring waist fit offer a customisable fit, and there's a removable windproof inner vest lining. The Viper is priced at £170.

Here's the key information and specs from the manufacturer, and you can check out the colour options for each jacket in the image gallery below:

Celer key features:

• Robust 1.3 mm leather construction for a highly durable and abrasion resistant performance. 
• Flexible aramidic leather stretch panels on back, waist and elbows for a highly contoured fit and comfort.
• Extensive microfiber stretch inserts positioned on sleeves to offer increased maneuverability when riding.
• Pre-contoured sleeves are technically engineered to offer optimized riding fit.
• Removable CE-certified Bio-Armor shoulder and elbow protection for class-leading impact protection.
• Chest compartments with PE padding (Alpinestars Bionic chest pads available as accessory upgrade).
• Multiple snap button system to integrate the Level 2 CE-certified Alpinestars Bionic Back protector to ramp up safety performance.
• External, dual-density, TPU sliders on shoulders and elbows offer unsurpassed impact dissipation and abrasion resistance in critical areas.
• Alpinestars Dynamic Flow Control system features zippered air in-takes and exhausts to allow efficient regulation of interior airflow.
• MotoGP profiled, perforated back hump for improved aerodynamic and ventilation performance. 
• Full mesh lining improves jacket’s breathability and features Velcro-securing internal pockets.
• External perforated leather panels on chest and back include protector foam inserts.
• Adjustable cuffs are zippered for improved fit and customization.
• Combined D-ring and Velcro waist adjustment for highly personalized fitment.
• Collar and cuffs feature padded 3D mesh for excellent breathability, plus Neoprene comfort edge.
• External zipped hand pockets feature leather zip garage, while internal wallet pocket features red pull tab for improved visibility.
• Reflective detailing on chest, arms and back for improved rider visibility.
• Full circumference waist zipper to allow attachment of Alpinestars riding pants. 

Viper key features:

• Constructed from hard-wearing 600 Denier poly-fabric outer shell reinforced with PU for excellent tear and abrasion performance. 
• Extensive double mesh on mesh panel construction on front and rear panels for unsurpassed airflow performance. 
• Removable windproof inner vest lining to allow jacket to be worn in wet weather; lining features Velcro-closing wallet pockets. 
• Full interior mesh liner adds to the cooling performance and incorporates Velcro closing wallet pocket. 
• Airflow-intake system on lower arms includes perforated gusset for extra breathability. 
• Removable CE-certified Bio-Armor shoulder and elbow protection for superb impact protection. 
• Chest and Back protector compartments with PE comfort padding (CE certified Bio Armor back protector insert available as accessory). 
• Neoprene comfort edge on cuff and collar; collar is constructed from padded 3D mesh of breathability and comfort. 
• Elongated rear profile, plus Velcro and D-ring waist adjustment for added riding comfort and customization. 
• Pre-curved sleeves for increased comfort in riding position. 
• External zippered hand pockets for peace-of-mind closure. 
• Internal waist connection zipper allows attachment to selected Alpinestars pants. 
• Reflective detailing on front and back for added rider visibility. 
•  Stitched and printed logos and YKK auto locking zippers.