Integrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance. Off-set center flap mounted Boa® L6 dial creates a sleeker profile with quick adjustments. Surround wrapping upper structure reduces overlap and provides a glove-like fit. Low stack height midsole stabilizes foot and maximizes power transfer efficiency. Perforated synthetic leather composite upper enables superior fit and breathability. Lightweight glass fiber reinforced nylon sole for power transfer.