2011 Sun Mountain Rainflex LT Short Sleeve Pullover When Sun Mountain brainstormed about the features they wanted in a rain garment, they made sure to add stretchable, breathable, comfortable and quiet to the list. The Rainflex line has been designed to deliver all these features and more. No longer will you find it necessary to take your rain jacket off to hit your next shot. Features Half zip Inset panel under the arm eliminates seams comfortincreased stretch through arm Stretch taped seams waterproof and flexible Tricot liner for comfort and motion Internal chest pocket RainShield fabric protector repels water and stains while maintaining breathability