Protection

Features Designed to be worn over a jacket, but can also be worn under Premium softened leather chassis Diagonal zipper gives full front chest coverage while concealing the airbag Fully autonomous active airbag system; no external connections or sensors on the motorcycle required Upon inflation, provides protective coverage to the rider's chest and back 6 integrated sensors (3 accelerometers and 3 gyroscopes) for crash monitoring in a variety of riding situations Activates automatically via the magnetic zip closure Inflates the protective airbag in 50 milliseconds when the start of a crash is detected Packable design can be stored in a backpack or under a bike's seat when not in use LED display on the front chest continuously shows the airbag's operational status, with haptic alerts Bluetooth® (BLE 5.0) connectivity with the Tech-Air App shows system status, battery status and riding data; upgradable firmware Integrated, certified lithium-ion battery with approx. 40 hours of battery life and approx. 4-hour recharge Stretch panels on both sides of the abdomen accommodate airbag expansion Perforated back zone with internal air channels for breathability Integrated back protector pocket for additional passive back protection Gas inflator canister can be replaced by any Alpinestars dealer Certified to function between -20°C and +40°C Impact protective garment EN 17092 Class C (outer garment); airbag protection per relevant part of EN1621-4:2013 Closeout item - final sale. Limited sizes and colors, while supplies last.

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Features Energy-absorbing foam with a perforated hard-shell core Contoured for an anatomical, adaptive fit Cooling airflow channel system CE-certified Level 2 (EN1621-2:2014) Closeout item - final sale. Limited sizes and colors, while supplies last.

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Features Sold individually (left or right) - choose your side Lightweight hybrid frame with carbon composite cores over-injected with fiber-reinforced polymer Lighter than its predecessor with high structural strength and support Performs at temperatures as low as -4°F Double-pivoting hinge with tool-free, exchangeable extension stops to help prevent hyperextension Highly ventilated double-wall knee cup for impact dispersion and absorption Triple-segmented polymer kneecup with light padding Integrated mechanical guiding system keeps the kneecup accurately positioned Channeled padding and mesh zones for ventilation Lightweight single straps with buckle system and C-Frame strap system CE-certified to Level 1 Closeout item - final sale. Limited sizes and colors, while supplies last.

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Features Ergonomically designed for ease of movement Light, perforated soft Polyurethane (PU) foam compound for comfort Injected shells for added hip bone protection

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Features Ergonomic design that allows high levels of movement Cell structure ensures maximum comfort and ventilation Slim design makes the protector discreet off the bike Protector cells are bridged together, allowing for an adaptive shape and enhanced levels of comfort and protection

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Features Anatomically profiled for all performance road riding and racing, the Nucleon Plasma Racing Chest Protector Insert has been engineered to be lightweight, breathable, comfortable and protective, and features a composite semi-rigid thermoplastic central zone on the outer for additional impact performance Specifically engineered for use with all Alpinestars racing suits Chest protector insert is a composite construction and has a central semi-rigid thermoplastic zone on a Nucleon PLASMA chest protector for greater impact force dispersion in a critical area The Plasma M design delivers maximum airflow and heat dissipation The soft tactile backing guarantees structural integrity of the protector by preventing any potential tearing Fully customizable central zone graphics Extended side wings for greater coverage and protection of the ribs Silicone ribbing on inner side to prevent slipping and ensure the protector remains in place Fully adaptive design for maximum comfort Plasma is constructed from bio-based eco-friendly and sustainable impact absorbing material Ultra-adaptive, vented and low-profile Nucleon Plasma viscoelastic compound construction for superior rider comfort Constructed with a soft tactile inner liner for additional rider comfort

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Features Ergonomic design that allows high levels of movement Cell structure ensures maximum comfort and ventilation Slim design makes the protector discreet off the bike Protector cells are bridged together, allowing for an adaptive shape and enhanced levels of comfort and protection

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Features Extremely lightweight, durable and flexible protector constructed from a breathable stretch mesh for a comfortable, close fit Highly convenient and time-saving slip-on design with elasticated hems and silicon printing to prevent slippage and to help keep the protector securely positioned Nucleon Flex Technology protectors are highly perforated and secured on the outside of the sleeve for excellent breathability and ventilation Additional side foam padding for additional coverage Abrasion resistant fabric front panel for increased durability

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Features Ergonomic design that allows high levels of movement Cell structure ensures maximum comfort and ventilation Slim design makes the protector discreet off the bike Protector cells are bridged together, allowing for an adaptive shape and enhanced levels of comfort and protection

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Features Developed in three waist-to-shoulder dimensions in order to cover all body size types Back hard shell plates are constructed from a high-performance polymeric material blend for optimized flexibility and excellent weight-saving properties Shells are highly perforated for maximum breathability and air ventilation Single injected compound shell constructed with triple-layer design to absorb impacts and allow maximum airflow Ergonomic protector plate contours to the natural curve of the back to ensure an optimal fit when in the riding position Horizontal flexion grooves for an adaptive fit Adjustable, detachable elastic shoulder straps with a snap-fit system for a comfortable fit Compatible with the Nucleon KR-C protector Kidney belt features dual hook-and-loop closure system Soft bio-foam padded chassis for maximum comfort

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Features Hybrid nucleon cell protective technology with perforated EVA inserts One-piece chest protection Open cell components for lightweight ventilation Durable stretch main chassis with secure and customizable fit Adjustable chest to shoulder armor connection straps Adjustable side quick buckles with elastic straps Adjustable waist belt Bionic Neck Support compatibility with elasticated BNS pull tabs

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A convenient and versatile divided chest protector engineered for touring and sport riding. The Nucleon KR-C connects seamlessly to Alpinestars KR-1 or KR-2 back protectors for full upper body coverage. Innovative harness system allows fast connection to Nucleon KR-1 or KR-2 back protectors Highly vented and very lightweight construction Ergonomically designed for touring and sport riding comfort Perfect pairing with the KR-1 or KR-2 for complete upper body protection

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