After a few too many seasons of seeing ultra-short shorts, summer's hemlines have finally lengthened to bring back the Bermuda. No longer just the favorite of tourists, dads and grandmothers, this knee-skimming style is as nonchalantly fashionable as it gets. But if the idea of wearing just-above-the-knee shorts sounds like the fashion kiss of death, look no further than the runways of Marc Jacobs, Diane von Furstenberg and Chloe. Whether produced in silky, crisp or linen fabrics, high-waist or low slung, tailored or baggy, both mid-thigh and below-the-kneecap variations are trending for summer. And since this easy-wear piece works for corporate offices, dinners, parties and weekend getaways — it is basically the new warm weather trouser. Teamed with a contemporary cut and new type of swagger, this new crop of shorts are certified cool.