Key Features: GBS Seams Nylon Face Cinch Double Bibbed Mesh Skin Exterior AQ6 Fleece Lining AQ6? Thermal Fabric - a soft, thin fibrous fabric which internally lines 90% of the suit which increases warmth, comfort, and has quick dry properties while also allowing for maximum stretch. GBS Seams - we double-glue and blind-stitch all seams using a single-needle which does not puncture a hole all the way through the neoprene which prevents water from leaking in while also maintaining a highly flexible and low-profile construction.