Only one of each size available.  XL and  XXL.
This Mustang MV4600 Life Jacket is strength rated to 100mph meaning it has been designed and tested to hold up to the rigors of the most demanding watersports such as jet-skiing, wakeboarding, and water-skiing. With smart styling and cutaway armholes for maximum range of motion, the Mustang MV4600 also delivers the superior flotation performance synonymous with Mustang Survival.
 This Mustang MV4600 is an XL size. 
• Fleece-lined collar provides comfort & head support
• Large cutaway armholes for maximum range of motion
• 3-belt system
• High impact protection
• D-ring at waistband
• Inside storage pocket