Vaikobi V4 Racing PFDEvolution of a classic with the same comfort and breathability! Keeping some of the same features as the V3, Vaikobi has raised the bar with their V4. 2x strong front zip pockets with mesh gusset (pocket zips in heavy duty plastic vislon zippers) MORE STORAGE, front pockets allow for 40% more carrying capacity than previous Webbing strap covers keep excess webbing in check for a clean low profile aero look More reflective trims on the shoulder for