Stay warm and comfortable during cold weather activities with these behind-the-head ear warmers. The flexible internal wire frame adjusts to fit various head sizes without pressing on your ears or the back of your head, making them ideal for winter running, walking, or outdoor travel. The soft shell construction features superior thermal insulation, breathability, and moisture-wicking properties to keep you warm and dry in chilly conditions. These versatile ear warmers can be worn comfortably with earrings, glasses, hats, helmets, and baseball caps. The compact, foldable design allows for easy storage in your pocket, briefcase, or glove compartment when not in use. Each set includes two pieces for convenience or sharing. The ear warmers feature a durable construction with polyester shell and insulation, plus nylon-spandex binding for flexibility. To maintain quality, hand wash and air dry only; do not bleach. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm under Proposition 65.