Waist is roughly 19" flat from side to side. Has some stretch as well. Details Onia’s All Terrain’ pants make such a perfect option when paired with rugged footwear. They're cut for a regular fit and feature a drawstring waistband for maximum comfort. Elastic drawstring waistband Zip fly closure Front slip pockets Back zip pockets Elastic zip cuffs Cotton/elastane Dry clean Imported SIZE & FIT Regular fit Rise, about 10" Inseam, about 29"