Bare Mens SB System Base Layer Polartec Pants This base layer is made from an advanced stretch breathable fabric that draws moisture away from the body creating a dry zone next-to-skin barrier. It then disperses the moisture over a larger surface allowing it to evaporate quickly. FEATURES: Incorporates quick drying characteristics for rapid evaporation, keeping you dry and comfortable Includes anti-microbial properties that inhibit bacterial growth, keep the fabric fresh and provide odor control High warmth-to-weight ratio delivers the exact warmth and breathability required for dive applications Flatseam stitching throughout Two piece design allows the diver to mix and match sizes of top and pant for perfect fit Designed to be used as part of the SB System or as stand alone garments Elastic waistband with drawstring and cordlock keeps the top in position when crouching Zipper fly closes downward to allow for a pee valve relief tube Zippered stretch pocket at right thigh for key/ID Lycra stirrups keep pants in place when donning mid layer and drysuit Material: Stretch breathable fabric made from a blend of polyester/polypropylene/spandex. Includes Polartec Power Dry technology and is anti-microbial. Innovation: Two layer fabric draws moisture away from the body creating a dry zone next-to-skin barrier and then disperses the moisture over a large surface allowing it to evaporate quickly.