Material: 100% Polyester Adjustable hook & loop closure Providessleek, low profile fit Reflective taping & logo for increased visibility & safety on low-light runs ArmourVent™ Technology delivers true breathability in a light, stretchy, durable & fast-drying fabric This cap is perfect for you for outdoor sport activities as its ArmourVent™ Technology delivers true breathability in a light, stretchy, durable & fast-drying fabric. Alsoreflective taping & logo contributes for increased visibility & safety on low-light runs. Brand Under Armour SKU 100095370_NP-1020344384