O'Neill really outdid itself this time. The Slasher Comp Vest is incredibly lightweight, flexible and anatomically segmented for maximum freedom of movement. This vest features a slim fit and a longer length in torso than your average vest so you stay covered down to your boardshorts more like you would wearing a t-shirt. The bells and whistles are also a major plus. The foam is thin, light, flexible and is spread evenly and thoroughly throughout the vest to give you even cushioning under every panel of neoprene. The foam itself is called NytroLite and is lighter, dryer, more buoyant, and offers more impact protection than conventional foam — pretty nifty stuff. This vest also features an Integrated Lumbar Design. Really the only thing that this competition vest doesn't have is a cup holder — which is a crying shame.