Description The Rib Tank is produced in a custom developed jersey working with a long staple, dual ring-spun and combed cotton yarn. The drop needle construction of the knit provides the rib texture while the yarn quality provides softness and durability to the end product. Details 100% cotton, 6 oz. jersey. Made in Portugal. Size Chart For information on how to measure please visit our FAQ page. Tag Size XS S M L XL XXL Chest 32 34 36 38 40 42 HPS Length 25.75 26.5 27.25 28 28.75 29.5