NIKE Air Pegasus Men's Running Shoe - Wht/Blue/Silv, Size 12 Articulated midfoot saddle with welded inserts provides snug lockdown without constricting the foot Nike Fit-Bed improves resilience and under foot feel Full-length Air-Sole for exceptional ride Center of pressure heel for great heel cushioning Nike Bareflex cushion outsole pattern with increased flex grooves for great toe-off