Alpinestars - Roost Base Layer Top - Anthracite/Black Size:S/M Improved grip is achieved with

Improved grip is achieved with the two side inserts

If you’re looking for bags to match the SysBag WP S with a right adapter plate

aerodynamic design

Wind Tunnel Tested for Maximum Noise Reduction

Alpinestars - Roost Base Layer Top - Anthracite/Black Size:S/M Improved grip is achieved withKnitted construction is breathable and provides a comfortable tight fit while being stretchable enough so as not to obstruct any rider movements Knitted construction requires less stitching which also increases rider comfort Strategically placed padded zones provide additional protection against tire roost Compatible with all Alpinestars chest protectors