Under the jacket on a mid-season day or evening. Alone when the sun doesn’t beat so fiercely that it makes you sweat. In summer as in winter, this long-sleeved T shirt from the Whiteboards Collection One is a certainty. Then black is the perfect match to give seriousness to your personality or contrast to more eye-catching choices. Always comfortable, I prefer it to shirts that are too stiff for our tastes …