AM5 Series Gravity Shoes With A Focus On Style, Comfort And Protection. FEATURES. Tough synthetic leather with raised rubber out sole for foot protection. Asymmetric mid-top design and padded tongue protects your foot. Hook & Loop single strap secures and protects your laces. Ultra grip rubber sole with optimized stiff glass fiber reinforced shank plate. Flat Insole. Best Match: PD-M545, PD-M424. Color: Army. Size: 39