S1 Defense Epic Hi Impact Kimmann signature version is the Dutch brothers signature version of the Hi Impact S1 Jacket. What's different about it from the regular Hi Impact jacket? Look at it, just like the boys, it's cooler than Arctic winter.
An updated design for 2025, the S1 safety jackets are lightweight and anatomically designed for a perfect fit. They've been our most popular full body jacket sold to date. Equipped with the latest protective materials makes this vest the ideal combo of protection and comfort.
Tip for sizing. In the past for these safety jackets our experience that riders choose the size based on their jersey size. But refer to S1's sizing chart for a more detailed fitting guide.
Product Details
- S1 Defense Epic V2.0 features:
- Drip dry 15% spandex 85% nylon breathable mesh base layer
- Integrated S.A.M. pads. 40% more shock absorbing than the standard Defense Pro 1.0 pads
- New Design shoulder pads
- New Hard Shell Kevlar elbow pads with new integrated strap that fits and stays on the elbow
- YKK Zipper for easy fitting
- Zip positioned on one side of the jacket, making removal of the jacket between races much easier than similar products that pull over the head.
- CE certified
- Available in Youth and Adult sizes
| Size | Rider Height | Jacket Weight | |
| Youth | XS | 100 to 120cm | 323g |
| Youth | Small | 115 to 135cm | 331g |
| Youth | Medium | 130 to 150cm | 336g |
| Youth | Large | 140 to 160cm | 411g |
| Youth | X-Large | 152 to 162cm | 442g |
| Adult | Small | 160to 170cm | 475g |
| Adult | Medium | 165 to 178cm | 517g |
| Adult | Large | 170 to 185cm | 545g |
| Adult | X-Large | 180 to 192cm | 599g |








