spandex

"The new math homework was easily understood by the students. "

"The hunter wore leather leggings to protect his legs while tracking the deer. "

"The exceptional student in our class received a perfect score on the exam. "

"My grandmother bought a new comfortable for her bed. "

"Asphalt, composed of oil and sand, is a widely used material for roads."

"The microscope showed several different fibres stuck to the sole of the shoe."

"The new yoga pants are very stretchy, allowing for a comfortable workout. "

"The elasticity of the rubber band allows it to stretch and then return to its original shape when you let go. "

"to feed and clothe a family; to clothe oneself extravagantly"

"The scientist studied the properties of the synthetic fiber. "

"I was right in the middle of a stretch when the phone rang."

"to allow a servant his liberty;  to allow a free passage;  to allow one day for rest"