ALPINESTARS Supertech R Boots - Black - US 7.5 / EU 41 2220021-10-41 3" Round Twin Slash Slip-On Mufflers Shorty ring available separately

Shorty ring available separately

Laser-cut chassis cover

Welded reflective insert on rear improves visibility in low-light conditions

Mounting hardware included

This R1 exhaust system was developed using the same technology that has powered Monster Energy Graves Yamaha riders to 7 consecutive Moto America / AMA Superbike championships along with numerous 600cc titles

ALPINESTARS Supertech R Boots - Black - US 7.5 / EU 41 2220021-10-41 3" Round Twin Slash Slip-On Mufflers Shorty ring available separatelyAdvanced microfiber upper construction for lightweight high performance protection and superb levels of flexibility Front flex area is constructed with a soft microfiber for improve abrasion resistance and natural forwards and backwards movement TPU for breathability and airflow Flexible accordion microfiber on Achilles gives enhanced natural movement Strategically positioned ventilation area in heel and shin Outside entry exit has stretchable