MTN OPS athletic fit: Designed for the perfect all day comfort you want. Premium Performance Blend: Crafted from a lightweight Polyester/Spandex blend for maximum mobility and a super-soft buttery fabric. 4-Way Stretch: The integrated spandex provides flexible comfort that moves with you, whether you're training or on the go. Advanced Moisture-Wicking: Engineered to pull sweat away from the skin, keeping you dry and comfortable during high-intensity activity. Fabric Contents // 94% Polyester, 6% Spandex