This is the DUI Duothern Vest 300 Men&';s Dry Suit Vest Divewear Insulation for Scuba Diving Features: Excellent for layering - adds 5Adeg of extra insulation Men&';s sizes XS, S, M, L, XL, XXL Heavy Stretch Fleece (560 gm/m2) with pill-resistant, watershed outer jersey PlushDrysuit insulation vest velour lining Zipper closure Hand warmer pockets ActionWear Pro DiveWear Made with all-way stretch fleece and accent stitching. Delivers warmth, comfort and great styling. Versatile for layering and other outdoor activities