This Velcro hook lined inner belt threads through the trouser loops and provides a firm anchor for our M20, N18, N20 and N21 Tactical Belts. Available in black.Available sizes:Small (Fits waist 26-32)Medium (Fits waist 34-38)Large (Fits waist 40-44)Extra Large (Fits waist 46-50)Extra Extra Large (Fits waist 52-58)