- Molded Monprene pads cushion shoulders, waist and back for increased comfort. - Shoulder buckle and D-ring heights can be adjusted to suit different torso lengths. - 3D formed back plate features a softened organic shape, curved central profile and fully radiused edges for greater comfort - EVO Angle webbing slots allow for a more natural webbing routing that increases diver comfort and reduces abrasion. - Recessed Wing Nut Socket features S-Tek Ergo Nuts that are ergonomically designed to be used with cold, wet or gloved hands, easy to tighten/loosen and flush mounted to prevent suit abrasion. - - Recessed Wing Nut socket is also compatible with standard wing nuts. - Back plate provides mounting points for trim weights, an argon tank mounting point and a convenient built-in carry handle. - Branded silicone epaulet on the left shoulder and branded silicone guide bands keep inflator hose and straps in place. - Two pre-bent D-rings on the shoulders, one D-ring on the waist, and two D-rings on the crotch strap are provided for clipping on extra gear. - Donut wing is constructed of durable 1000D Cordura outer shell and 500D Cordura inner bladder. - Improved rounded profile reduces air trapping. - Each wing features an elliptical EPDM corrugated inflator hose and SCUBAPRO’s K-Style BPI. - Aluminum single tank adapter is included with the 30lb systems.