This pants is stretchy. This Quick Dry Stretch Comfortable Breathable Waterproof Multiple Pockets Stylish Pants is used for outdoor, sports scenes, made of 90% nylon and 10% spandex.

This pants is elastic. This Elastic Waistband Canvas Water Resistant EDC Outdoor Tactical Cargo Pants is used for outdoor, sports scenes, made of 97% cotton + 3% spandex.