ALPINESTARS Tech 3 Boots - Black/White - US 10 2013018-12-10 Bionic Plus Knee Protectors NOTE: Uppers cannot be used

NOTE: Uppers cannot be used with the stock lower velocity stacks

High-tensile-strength nickel-plated inner link plates

43" D Effective temperature range: 14 ~ 140 °F

Cooling Fan Temp Adjustment

ALPINESTARS Tech 3 Boots - Black/White - US 10 2013018-12-10 Bionic Plus Knee Protectors NOTE: Uppers cannot be usedUpper construction is made from innovative and light microfiber material that is flexible and abrasion resistant Light microfiber on front and rear bellow gives more comfort on the flexible area Toe box is made of synthetic material for high abrasion Extended Polyurethane (PU) synthetic gaiter helps seal out excessive water and dirt entry Contoured Thermoplastic Polyurethane (TPU) calf protector plate, TPU higher medial protector, TPU outer lateral