-Maximum freedom of movement in the arms made posible by the one piece design that puts the concentration of foam in the center. -Designed by sailors for sailors. Side entry zipper suitable for easy donning and quick access to splash top. -Large pocket centralized on chest that, even full, is positioned to allow unrestricted arm movement(mesh design for quick drainage). Ergonmically positioned pocket zipper for fast and easy acces. -Tapered foam on the front panels lets you climb quickly back on board from the water, unlike traditional vests, which hold you back. -Fully adjustable shoulder and waist band for ultimate comfort and perfect fit. -The extra adjustment accommodates layered underslothing to extend your sailing season in comfort. -Covered adjustment buckle to avoid tangle in rigging. -Boom clearance provided by low cut and taper at shoulders. -Split back design provides concentrated tightening from the waist harness while allowing a loose fit on the back for comfort. -Dry-Lex Aerospacer, the most advanced lining for comfort, temperature control and moisture absorbtion. -High cut front for ease of bending and to accomodate new style trapeze harness. -Comfort fit on waist band provided by neoprene backed buckles and harness system.