Nike Tech Pack Running Trousers Mens The Nike Tech Pack Running Trousers features a four way stretch construction with targeted breathability in the lower legs for added comfort. These Tech Pack running pants feature a sheer mesh storage tunnel on the back waistband - perfect for storing outer layers should the weather turn. > Mens running trousers > Two way drawcord on the waistband > Four way stretch construction > Sheer mesh storage tunnel > Zipped hand pockets > Reflective details > Body: 90% polyester/10% elastane > Panels: 73% recycled polyester/27% elastane > Side pockets: 100% recycled polyester > Front lining: 84% recycled polyester/16% elastane > Mesh lining: 89% polyester/11% elastane > Machine washable