ALPINESTARS Tech 5 Boots - Black - US 5 2015015-10-5 Aprilia The adaptive design provides up

The adaptive design provides up to 16% more traction when compared to the previous generation (1)

CNC milled

All mufflers use a carbon-fiber mounting clamp with rubber vibration-damping element

Factory S Muffler

ALPINESTARS Tech 5 Boots - Black - US 5 2015015-10-5 Aprilia The adaptive design provides upTech 5 Boots Black US 5 Upper constructed from innovative and lightweight microfiber material with action leather on toe box, Redesigned instep and Achilles accordion flex zones, Contoured TPU calf protector plate, TPU higher medial protector and TPU outer lateral ankle, Injected TPU shin plate connected with the TPU medial protector panel, Hook and loop upper closure and TPR flap for broad ranging calf fit adjustment and support, TPU higher medial