But Tommy John's undershirts are the complete opposite. Close-fitting but not tight ... white that beats cotton versions hands down. Best sweatproof: Thompson Tee Sweatproof Undershirt V-neck ...

The brand’s white crewneck is a classic for a reason ... and if anything, these V-neck undershirts are so right. Sold as a trio, these shirts are stretchy, soft, and comfortable, with a slim ...