The ornamental design for an eyewear webbing, as shown and described.
FIG. 1 is a perspective view of an eyewear webbing;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right view thereof;
FIG. 5 is a left view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a perspective view showing a pair of the eyewear webbing attached to a frame of a pair of glasses; and,
FIG. 9 is a front view showing the pair of the eyewear webbing attached to the frame of the pair of glasses.
The broken line showing frame in FIG. 8 and FIG. 9 is included for the purpose of illustrating environmental structure and forms no part of the claimed design.