Peter Millar Men's L Hyperlight Quilted Vest w/ a Logo - New with Tags. Description from the Peter Millar website: The Hyperlight Vest is a stylish, performance-inspired layer made with loose fill channel tube insulation that offers innovative warmth without weight in cool weather. The exterior is water-resistant and windproof for ideal protection from the elements. It's finished with two side-zip pockets with bar tacks and a two-way zip front closure. Style #: MS21EZ15