100% Men's R-Core X Shorts DWR polyester/spandex 4-way stretch woven fabric for increased comfort BOA(R) Fit System dial and lace technology for a lightweight, incrementally adjustable waist closure for the ideal fit Silicone print on inner waistband to minimize slippage Laser perforations in inseam and behind the knees for increased airflow Zipper pockets for security of essentials Stabilization pocket to store device or tool.