ALPINESTARS SMX-6 v2 Vented Boots - Black/Yellow - US 4 / EU 37 2223017-1550-37 Toe 4/BK Class A/B 4-Channel Full-Range

4/BK  Class A/B 4-Channel Full-Range Car Amplifier

Fully clear lens design / clean and chrome look

designed to handle the wildest rides and the harshest trails without flinching

5-inch voice coil to absorb and produce the highest heat to power ratio all while pumping out thumping head turning bass

4500LM@ high beam

ALPINESTARS SMX-6 v2 Vented Boots - Black/Yellow - US 4 / EU 37 2223017-1550-37 Toe 4/BK Class A/B 4-Channel Full-RangeBoot upper incorporates an innovative front and rear bellows and rear calf zone for superior levels of flexibility Boot upper is constructed from microfiber for durability and abrasion resistance Ergonomic forefoot streamlining enables greater control of the bike's controls and provides a superior, wide ranging foot profile for excellent fit and comfort Thermoplastic Polyurethane (TPU) lateral ankle brace provides a biomechanical support between the