Nylon, Polyester. Move swiftly through the wilderness in a protective Terrex Swift Lite Pant by adidas. These hiking pants for men offer four-way stretch fabrics which enhance comfort and movement. This mens pant also features FORMOTION technology which follows your bodys natural movements for a better fit without restricting your range of motion. Elastic waist and zipper closure gives the outdoor pants a secure fit. Two zippered hand pockets are great for storing small items while youre on the trail or for keeping your hands warm.