Build your basics collection with sleeveless T-shirts and tank tops to suit every sartorial whim. Slim-fit vests are the foundation for warm weather dressing or layered looks, while contrasting textures, looser cuts and fine knits make for a more directional style statement. Stock up on plain colors, bold graphic prints and stripes from Jil Sander, Dolce & Gabbana, ASOS and more.