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The GP Plus R v4 Airflow Jacket is engineered and optimized for maximum ventilation and airflow and features extensive race-derived features and materials including a dedicated ‘Sport’ fit with pre-curved arms for maximum riding performance, and race-proven protection on the shoulders and elbows. Vented shoulders and extensive perforation zones on the chest and sides for maximum airflow. Alpinestars composite stretch technology, A-CS® Plus, stretch panels on the torso for exceptional breathability, comfort, and freedom of movement, as well as delivering a lighter weight and a lower profile than a traditional leather accordion panel (the A-CS® Plus panels are about 9% lighter than leather panels). Another key advantage of using A-CS® Plus is its superior stretch performance; A-CS® Plus has about 30% elongation and offers an increase in tear resistance of 300% compared to HRSF (Hyper Resistant Stretch Fiber), and an increase in cut resistance by 600% versus leather. 1.3mm ‘Race’ grade leather construction for the optimum blend of abrasion resistance and comfort. Extensive technical stretch panels under the arms, on the inner arms, and around the neck for an optimized fit.
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A laminated waterproof membrane offers an essential advantage by preventing the jacket's outer layer from becoming saturated with water. This clever construction ensures that the jacket does not fill up during a rainstorm, resulting in significantly faster drying times and a more comfortable wearing experience. Unlike the traditional 3-layer system, where a cold jacket can come up against the waterproof inner lining, a laminated membrane creates a comfortable climate inside the jacket. This keeps unwanted chilliness to a minimum while maintaining maximum protection from the elements. Whether it's an unexpected downpour or a humid environment, this advanced technology provides an effective solution for maintaining dryness and comfort without sacrificing functionality or style.
The biggest advantage of a jacket with a removable thermal liner and a removable waterproof membrane is the unprecedented versatility it offers, making the jacket suitable for every season and a variety of weather conditions. This clever 3-layer system allows you to adapt the jacket to your needs and environment. With both the waterproof and thermal lining removed, you enjoy maximum ventilation, which is ideal for warmer days. With just the waterproof liner, the jacket is perfect for the changeable weather of spring and fall, while adding the thermal liner provides extra warmth on colder days. This adaptability means you have one jacket that effortlessly adapts to changing conditions, which is not only practical, but also significantly reduces the need for multiple jackets for different seasons.
The safety level of a protector is indicated by the CE mark, which distinguishes between two levels: CE level 1 and level 2. Level 1 provides basic protection and is often used as standard in motorcycle clothing, while level 2 provides the highest protection, suitable for demanding conditions. When choosing motorcycle clothing, understanding these CE mark levels is crucial for the desired safety based on your riding style and conditions. The "additional information" tab shows which protectors are present and whether they are CE level 1 or 2.
If a motorcycle jacket or motorcycle pants is prepared for protection, it means that the garment is designed with different compartments, in order to integrate CE-certified protectors. This means that in places such as the back, shoulders, elbows, hips or knees, for example, special compartments have been placed. This preparation makes it possible to add additional protection to the pants or jacket, improving the safety of the wearer.
A well-fitting motorcycle jacket is essential and should match your seating position on the motorcycle. A sporty motorcycle jacket is specifically designed for a hunched posture and has a tighter fit with aerodynamics in mind. As opposed to the touring jacket, which is more suited to an upright sitting position and has a less tight fit for extra comfort and so you can wear extra layers against the cold. Choose carefully between these styles based on your riding style and preferences for an optimal riding experience.