Brand: Mavic - Model: Mavic Comete Ultimate MIPS - Safety Features: Equipped with MIPS technology - Color: Matte Black - Size Adjustment: Dial adjustment Size: 51-56cm Weight: 240g - Ventilation: Air vent design The strap from the head to the ears is wired. I purchased this used in excellent condition, but unfortunately, it didn't fit my head, so I'm selling it. The original box is not available, so it will be shipped in a different box. Thank you for your consideration.