ALPINESTARS SMX+ Boots - Black - US 9 / EU 43 2221019-10-43 GP Knee Sliders Designed around the championship winning

Designed around the championship winning Team Graves Yamaha race program

Knuckle panel with perforated gusset construction to increase flexibility

Mix of bovine and goat and leather for superior performance

Reflective piping on fingertips

ALPINESTARS SMX+ Boots - Black - US 9 / EU 43 2221019-10-43 GP Knee Sliders Designed around the championship winningAdvanced microfiber upper construction for lightweight high performance protection and superb levels of flexibility Front flex area is constructed with a soft microfiber for improving abrasion resistance and natural forwards and backwards movement Flexible accordion microfiber on Achilles gives enhanced natural movement Outside entry exit has stretchable accordion panel for a close fit and ease of entry and removal. Contoured high modulus shin plate