5.11 Tactical Unisex TDU Belt, 1.5 Inches Wide, Durable Nylon, Style 59551

NO size options are listed to order...what size is this belt?

can this belt be worn as a standard uniform belt (through the pant belt loops) or just as a duty belt over a standard belt?

Is this the type of belt that adjusts with a strip of velcro? Or, is it adjustable by guiding the leading edge through the buckle?

What size is this belt? No options to chose a size.