These are 100% cotton. Check out the pictures.

Leg Opening – 19. Rise – 13 1/2.

Leg Opening – 18 1/2.

Meet the 568™ Stay Loose Double-Knee Pants in Darkest Night Meteorite. Combining style with workwear, these pants feature a roomy, comfortable fit, a durable double-knee design, and a classic straight leg. Crafted from non-stretch fabric, they sit right at the waist for a clean, modern look.

Check pictures for further details.