Even sunglasses, perhaps the ultimate accessories in the quest for cool, are doing double duty with versions that allow the wearer to take videos, make payments and more.

Rather than have to take off a jacket or sweater, why not create a garment that adjusts to whatever conditions you’re in? The jacket is inspired by nature – specifically the microscopic holes, or stomata, on leaves, which plants open and close to regulate their temperature.

Researchers at Stanford University are working on a new type of plastic-based textile that can cool the body more efficiently than the natural and synthetic fabrics currently available.

A high percentage of a person’s body heat is dissipated as infrared radiation, according to Shanhui Fan, one of the researchers, but there hasn’t been much research into designing textiles that let that radiation freely pass, thus helping to cool the body.

Several tech firms are looking at ways apparel and wearable devices can be used to help people monitor UV rays.

Tech website Tom’s Guide called the Blade “Non-doofus AR glasses” that consumers might actually be interested in wearing.

The Omius Jacket uses robotics to open and close vents along the torso, adjusting to the wearer’s environment.