Sizes are based on waist size. Please allow additional for clothing.We recommend choosing next size up. 600D NYLON. SOFT AND DURABLE.3" CLOSED CELL FOAM PADDED BELT.2" HIGH IMPACT QUICK RELEASE ADJUSTABLE BUCKLE.VELCRO ADJUSTMENT.DOUBLE STITCHED 60lb. NYLON THREADCOMFORTABLE IN WARM CLIMATES. SOFT AND PLIABLE IN COLD CLIMATESNO BREAK-IN PERIOD, NATURALLY FORMS AND MOVES WITH BODYTOOLS & ITEMS NOT INCLUDED. FOR ADVERTISEMENT ONLY.