Blood In, Blood Out. Certain clubs require only club patches to be worn on member’s vests. We can dig it. The kings of over-the-top branding relent. Protect your turf while the Regulator’s ™ D3O® Viper back protector watches your back. Regulator Vest Stripped– the 12 o’clock pool cue has lost its sting. Features ICON Relaxed Fit 1.4MM Premium Leather Chassis D3O® Impact Protectors - Back Large Accessible Back Panel for Attaching Club Patch, Cross-Draw Pistol Pockets, Side Fit Adjustment Straps, Sized to Fit Over Jacket Premium YKK® Zippers