Shop Search Full Size Image Click to close full size. Click here to view full size. Spanx, Men's Shapewear, Cotton Control V-Neck 641 Style: 641 A SPANX for Men v-neck undershirt designed with every day wear in mind! Offering ample room to move and a comfortable, body-skimming fit for a pulled together feeling, this is the cotton undershirt you won't stop wearing. Comfortable, waistline-smoothing undershirt made of breathable, fitted cotton Lightly supports lower back Highly engineered design m