Men's Racing Jacket — Size Guide
All measurements in centimeters (cm). Range = recommended body measurement for that size.
| Men's Motorbike Racing Jacket — Size Chart (cm) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Measurement | 46 (XS) | 48 (S) | 50 (M) | 52 (L) | 54 (XL) | 56 (2XL) | 58 (3XL) | 60 (4XL) |
| USA / Canada | 36 (XXS) | 38 (XS) | 40 (S) | 42 (M) | 44 (L) | 46 (XL) | 48 (2XL) | 50 (3XL) |
| International / UK | 36 (XS) | 38 (S) | 40 (M) | 42 (L) | 44 (XL) | 46 (2XL) | 48 (3XL) | 50 (4XL) |
| All measurements in centimeters (cm) | ||||||||
| Chest | 91–94 | 95–98 | 99–102 | 103–106 | 107–110 | 111–114 | 115–118 | 119–122 |
| Waist | 75–78 | 79–82 | 83–86 | 87–90 | 91–94 | 95–98 | 99–102 | 103–106 |
| Full Length | 173 | 175 | 178 | 180 | 182 | 184 | 186 | 188 |
| Shoulder | 15.5 | 16 | 16.5 | 17 | 17.5 | 18 | 18.5 | 19 |
| Back Rise | 42 | 42.5 | 43 | 43.5 | 44 | 44.5 | 45.5 | 46 |
| Collar Round | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 |
| Cuff Round | 21.5 | 22 | 22.5 | 23 | 23.5 | 24 | 24.5 | 25 |
| Sleeve Length | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 |
| Elbow Round | 34 | 35.5 | 37 | 38.5 | 40 | 41.5 | 43 | 44.5 |
How to take your measurements
Still unsure? Email customer@alpinestarsjacket.com with your measurements.
ALPINESTARS GP PLUS V4 RIDEKNIT LEATHER JACKET
The Alpinestars GP Plus v4 RIDEKNIT Leather Jacket is expertly engineered for riders who demand exceptional freedom of movement, comfort, and performance. Drawing from Alpinestars’ extensive racing heritage, this jacket features advanced materials and technologies for an optimal riding experience both on the road and the track.
Designed with a dedicated ‘Sport’ fit, the jacket incorporates pre-curved arms to support an aggressive riding posture and reduce fatigue during long rides. Strategic use of RIDEKNIT® stretch panels enhances flexibility and allows for a precise, adaptive fit, ensuring unrestricted movement and all-day comfort. These panels also contribute to breathability and weight reduction, giving the jacket a lightweight, performance-oriented profile without sacrificing durability.
The GP Plus R v4 RIDEKNIT® Jacket integrates race-proven protection with impact-resistant armor on the shoulders and elbows, offering riders a high level of safety in critical areas. The protective elements are seamlessly integrated into the design, preserving a streamlined silhouette while enhancing overall safety.
Premium 1.3mm race-grade leather is used throughout the main chassis, delivering an ideal combination of abrasion resistance and supple comfort. Additional stretch zones are strategically placed under the arms, along the torso, and around the neck to further improve mobility and ensure a close yet comfortable fit.
With its blend of innovative materials, ergonomic design, and advanced protection, the GP Plus R v4 RIDEKNIT® Leather Jacket is built for riders who prioritize performance, safety, and style. It offers a refined balance of flexibility and support, making it a standout choice for sport riders seeking top-tier gear inspired by professional racing.