1×1 Rib flat knit collar. 2X2 Rib cuffs with elastane. Double-stitched shoulders, armholes and cuffs. 3 Button narrow placket. Side vents. Twin-needle hem. Reinforced shoulder seams. Spare button. Kustom Kit® tear-out label. Washing Instructions Wash at 40. Do not bleach. Do not tumble dry. Two dot iron. Do not dry clean.