This is your, go to, second layer. At 12oz this pull over is about as heavy and durable as it gets. Over a year went into developing this premium & durable rugby jersey knit. 100% American grown cotton ring-spun for durability and softness. Double stitched seams for vintage style and timeless quality with a hint of structure that keeps you looking sharp. True to size with a tailored shoulder and arm and a bit of extra length in the body.