How to choose your correct size is simple! Measure your chest with a tape measurer and if it's between 37-44 inches you are a Medium-XL size if your chest is 41-53 you are Large-XXL! Description: The Voodoo Tactical MSP-06 Entry Assault Vest features side-release buckles with adjustable web straps and fully adjustable shoulder for a tailored fit. Voodoo Tactical has provided 3 pistol magazine pouches plus one extra that is attached to the large frame auto, fully adjustable holster. There's also 3 30-round magazine holders for use with long guns like M4s, M14s, M16s, G3s and G36s, a first aid/ammo pouch, 2 insides zippered map pockets, hook-n-loop strip for ID patch, emergency grab handle, lots of universal attachment straps that fit any of Voodoo Tactical's universal pouches. Adjustable pistol belt included! Features: Rifle Butt Stabilizing Ribs on left and right shoulders Adjustable Chest Straps Adjustable Padded Shoulder Straps Hook-N-Loop ID Patch Panel First Aid/Ammo Pouch 3 30-Round Magazine Holders Heavy Duty Military Zipper, 3 Pistol Pouches Side Girth Adjustment Straps Adjustable Position Holster with Attached Magazine Pouch 2 Zippered Map/Document Inside Pockets Drag Rescue Grab Handle Attachment Straps for Modular Patches Mesh Backing for Ventilation Snap and Hook-N-Loop Belt Keepers