BIG3 4.0 Pro "Ignite on Impact" HOT kCQTECH midsole and SOAR PLATE)

kCQTECH midsole and SOAR PLATE) for superior bounce and cushioning

DIAMOND SHELL upper with KPU micro-injection TPU structure and breathable mesh delivers secure lockdown and comfort

ENRG-X+ midsole material for high responsiveness

and heel TPU for ankle support and lockdown

and wrap-up feel of forefoot

BIG3 4.0 Pro "Ignite on Impact" HOT kCQTECH midsole and SOAR PLATE)Qu! kFLAMECQT midsole for better springiness and cushioning, and Qu! kBONE carbon fiber plate for torsional resistance. Woven upper and TPU for more support, and rubber outsole for strong traction and durability. MORPHIT lacing system ensures great lockdown while enhancing flexibility.