It's a big moment for Lisa Marie Fernandez. The swimsuit line she launched on a whim half a decade ago is arguably one of the most influential brands in its category, spawning imitations up market and down. Surfing on its success, she's getting into the activewear business. Lululemon this isn't. Fernandez sells $315 neoprene bikinis and has an abiding affection for Hermès and Céline. The fleece she's using for bodysuits, cropped tees, and wrap tops is vicuña-soft. It'd be a shame to actually break a sweat in the stuff. Better to think of it as loungewear—there's not much that would feel better against the skin.

Fit and fabric have always been paramount for Fernandez. Part of her secret has been returning to the same cuts and materials season after season; slow expansion, rather than change for change's sake, is her m.o. So there was a lot here that looked familiar, but that's not a bad thing. What was new was a fine Italian crepe in ivory and pastel shades of mint and lilac that she used for versatile wrap styles more bohemian in spirit than her sporty early suits. They jibed more with Fernandez's own personal style than anything she's done to date. It's easy to picture her breezing into a rooftop party in the plunge-front style accessorized with one of this summer's essential pleated handkerchief-hem skirts.