Sierra Waterproof Jacket YGroup_3264617 while the internal flat seam

while the internal flat seam

Ergonomically profiled to enable the integration of Alpinestars knee protection

And finally

For riders looking for maximum protection

the Chrome Glove a robust ‘carbon look’ hard knuckle guard in a multi-panel and extremely robust main shell that is reinforced in critical areas

Sierra Waterproof Jacket YGroup_3264617 while the internal flat seamWith a lightweight main shell optimized for waterproof performance while still deliveringoptimum levels of breathability, the Sierra Waterproof Jacket is also equipped with fully tape welded seams and waterproof zippers for the prevention of water ingress.