Climbing helmet with hard shell and full coverage foam protection. Retails around $90. This one is Size L/XL, 59-63 cm or 23.2-24.8 inches. It's in decent condition. No falls. Some scratches. Plastic shock cord tab on back is broken, but still functions. Will ship for $40. Local pick up in Boulder for $30. More info on this helmet at https://weighmyrack.com/Helmet/Salewa-Vayu