Limited use, well maintained, ‘Pace’ Composite Fusion Trail Helmet is lightweight. It is size Sm/Med: 6-7/8” - 7-1/4” or head circumference 21-1/2” - 23” (55-58 cm.) It has ‘QuadCore’ LDL (yellow) layer for improved safety. Fusion technology bonds helmet polycarbonate shell and internal EPS foam liner effecting thinner but stronger helmet. It has 15 vents, pads, and a locking buckle and slider. Comparable current models retails for over $70, a bargain here and available for local pick-up in San Rafael, with cash, Venmo, or PayPal.