Silk:Silk is a natural protein fiber, produced by insects to form their cocoons. Silk can be produced by a number of different insects, but the most commonly used is silk from the mulberry silkworm. The fiber produced by these insects is harvested, unwound, and twisted together to form yarn, which can beused to make fabric. 

And speaking of looks, linen sheets have increased in popularity in recent years because they are inherently more boho chic than cotton. Stylists and the Instagram-obsessed love them for their deep texture and camera-friendly looks. They ooze that effortless je ne sais quoi that people associate with French style — unpretentious but impossibly chic.