Rib Tank - BoneThe perfect counterpart to our camp shirt collection, the Rib Tank from Knickerbocker is made with a custom developed cotton jersey thats produced with a long staple, ring spun, and combed cotton fabric thats both soft and built to last. Its tailored with a traditional fit that runs true to size and looks great tucked under any shirt in your summer lineup. Soft ring spun cotton Wide ribbed knit texture Drop needle construction Traditional fit that