Keep your ears and forehead toasty when the temperature drops. With a wind resistant P.R.O. Barrier fabric front panel for added protection, thermal moisture-wicking sides, plus an ergonomically contoured cut, this cool weather headband fits comfortably under your helmet - even allowing for a ponytail.P.R.O. Barrier fabric panel on forehead provide lightweight wind protection and water resistanceP.R.O. Thermal Dry fabric provides warmth with optimal moisture transfer, dry time and odor absorptionErgonomic fit layers easily under bike helmetsLow profile ponytail port allows for long hair and does not interfere with helmet retention mechanismsReflective elements for low-light visibilityMain Body: 90% polyester, 10% elastane Front: 100% polyester; Made in Vietnam