Base is a pull on style 2x1 ribbed pant with an elastic waist. 

Model is 5'7 and wearing a size x-small

Measurements from size small

Inseam: 31.75 inches

Material: 95% Rayon 5% Spandex

Recommended Care: Machine wash cold on a gentle cycle and tumble dry low

Designed in Los Angeles. Made in China.