By Paolo Sandoval Linen is a classically divisive fabric. Yes, it may be the unofficially official fabric of vacations everywhere, and there’s no denying its myriad benefits in scorching weather, but the texture and care required can give crisp traditionalists and dry-cleaner apprehensives serious pause. News flash: the gems available today aren’t your grandpa’s messy-looking duds. From Alex Mill to Todd Snyder to J.Crew and beyond, retailers have figured out how to nail the A/C of menswear fabric. Leaning into the laid-back cuts, blending with alternative fabrics like cotton and hemp for a mo…