Nike SFB B1 Black Leather Tactical Boots DX2117-001 。Nike SFB B1 Tactical Boot Brand New (No Box) Size: 10.5 Men / 12 Women Color: Black/Black - Style: DX2117-001 - DA PAM 670-1 compliant - polishable synthetic leather - Lightweight SFB B1 is designed for speed and flexibility over rough terrain.The flexible sole is equipped with an aggressive traction pattern and features sticky rubber for multi-surface grip and an internal rock shield to help prevent punctures. Nike Air cushioning in the heel delivers high-performance comfort no matter where your adventure takes you.