Crocheting these days is so much more than granny squares and chunky Afghan blankets. It’s leaner and trendier than it was in the 1960s and ’70s, when the craft was known for its bulky, acrylic yarns.

Crochet is a summer knitwear staple, and this year's pieces champion refined neutral hues and intricate patterns for an aesthetic that leans more luxury resort than DIY. Style a textural piece with a ...