This is the DUI Womens DuoTherm II 300 Jumpsuit Undergarment for Scuba DivingFeatures: One-piece design avoids any possible gap between upper and lower garments Recommended for 45-65AdegF. Great choice for colder waters! Heavy Stretch Fleece (560 gm/m2) with pill-resistant, watershed outer jersey Torso zipper Hand warmer pockets Stand-up collar for extra warmth Thumb loops reduce unwanted sleeve movement during donning The DuoTherm II Jumpsuit 300 is an excellent option for cold-water diving.Our DuoTherm(TM) II DiveWear is constructed with all-way stretch fleece and accent stitching. Delivers warmth, comfort and great styling. Versatile for layering and other outdoor activities.The updated version of DuoTherm II has our new Active Wicking Technology (AWT). Perfect for repelling water from incidental water contact while the moisture inside your suit is wicked away from your body.