This Rib knit union suit from Indera is made of 100% 1x1 smooth rib knit cotton for light warmth and a soft fit. This is a full cut one piece suit, with a full length button placket front and one button vertical seat flap for comfort and convenience. Machine washable with shrinkage control, The Indera Classic Rib Knit Union Suit will hold its shape and size wash after wash. Rated for medium activity level and cold temperatures this union suit will keep you warm all winter. for this item. Click here to see the Indera Union Suit in the color White.