ALPINESTARS SMX-6 v2 Boots - Black/Red - US 13.5 / EU 49 22230171349 Pro Octane Multipurpose Funnel max rpm and top temperature

max rpm and top temperature Measures 66

Seamless dual density knuckle for effective impact protection

2009-2019 KTM 300 EXC - - 2005-2007

Technical mesh panels for optimized ventilation and maximum airflow

ALPINESTARS SMX-6 v2 Boots - Black/Red - US 13.5 / EU 49 22230171349 Pro Octane Multipurpose Funnel max rpm and top temperatureBoot 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