mens winter underwear Material:100% Sinkiang Long-staple cotton 80S/2 Double mercerized cotton Interlock Gsm: 180g mens winter underwearFeatures specification:1)Knitting cotton construction,solid color2)Top:V-neck,long sleeve3)Bottom: Long pants,single button fly4)Using Mercerized cotton thread5)Color fastness 4 grade,shrinkage within 5%6)Stitching per inch: 147)High yarn count,high density8) ...