Mack Weldon® for J.Crew Prime Cotton crewneck undershirt
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size & fit
S (fits waists 28-30); M (fits waists 32-34); L (fits waists 36-38); XL (fits waists 40-42).
These undershirts are made from from Prime Cotton, a brand-new rib-knit fabric we developed exclusively with Mack Weldon. It combines durable long-staple cotton with climate-regulating nylon for a fabric that's stronger and cooler than regular cotton. Best of all, they're available only at J.Crew.
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