Devon & Jones Adult D420 Sueded Cotton Jersey Mock Turtleneck is one of the best turtleneck jersey. Devon & Jones Adult D420 Sueded Cotton Jersey Mock Turtleneck is available in wide range of colors; very strong fabric and soft to wear.plush 100% Tanguis cotton jersey; brushed to perfection; generous fit; double-needle stitching throughout; spandex in collar and cuffs; side vents; grey heather is 90% cotton; 10% polyester