Here's what other sites are saying:
The innovative Vapor-Dry 3D Stadium Pants from Brooks feature seamless side construction, ensuring a nonirritating fit that moves with you mile after mile. Vapor-Dry2™ fabric's smooth exterior repels light wind and breathes well; brushed interior wicks moisture and holds warmth next to body. Vapor-Dry 3D textured, moisture-transfer fabric adds breathability at back yoke and behind knees. Elastic drawcord waist personalizes the fit. Features reflective, gusseted leg zippers. 2 zippered side pockets store small essentials. Semifitted cut is not too tight and not too loose.