O'Brien Women's Focus Neo Ski VestThe O'Brien Focus Neo Vest features O'Brien's BioLite Technology, resulting in a lighter weight vest that is eco-friendly. This vest is lighter than Neoprene vests and has wide armholes designed for comfort during water activities.Features:4 Front HingeBreathable materialZip closure and 2 belts for a custom fitCoast Guard ApprovedSizes:SmallChest Size: 32"-36"MediumChest Size: 36"-40"LargeChest Size: 40"-44"California Residents:WARNINGCancer and Reproductive Harm -P65Warnings.ca.gov