Neo Spraydeck Waist Sizing X Small Small/ Medium Large/X Large Waist 64-76cm 71-86cm 81cm+ 25-30" 28-34" 32"+ Neo Spraydeck Sizing Small Keyhole Bigdeck Xtra Bigdeck Giant Circumference 180-200cm 200-215cm 215-230cm 230-270cm 290cm Front 2 Back 65-75cm 75-85cm 85-95cm