20-50% off at Tobi.com

The SF e-tailer's offering steals on everything from tees by Barking Irons, Corpus, and Fiberops, to Modern Amusement's preppy-chic button downs and cardigans, to slim 'n classic fit Rag&Bone trousers and shorts, to Penfield track, skiff, and windbreaker jackets -- for sprinting, sailing, and intestinal distress.