Strap for Maxx-21/Maxx-31

Split strap headband compatible with Maxx 21 and Maxx 31 eyewear
Adjustable headband strap for the Maxx-21 and Maxx-31

RX Prescription available through your Optical Retailer.

Split-Strap Headband for MX-21/ MX-31

There is currently no lens content for Strap for Maxx-21/Maxx-31.

The sizing is the official measuring standard for all frames:

  • A = the horizontal measurement of the lens
  • B = the vertical measurement of the lens
  • ED = Effective Diameter defines the minimum diameter lens that will fit a frame when the geometric center of the lens is exactly centered in the frame.
  • DBL = Distance Between Lenses or the bridge size
  • TL = Temple Length
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Strap for Maxx-21/Maxx-31


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Although Liberty Sport sports eyewear is designed to offer the best possible protection during certain sporting activities, there is always the possibility that the wearer may sustain an eye, face, or other injury due to impact or because of the nature of the athletic activity. If the frame incurs an severe impact it must be replaced. If the frame is neglected or misused, or is worn improperly, the degree of eye protection provided may be reduced and may result in permanent eye, face, head, or other injuries. Neither the designer, manufacturer, nor Liberty Sport Inc. claims their sports eyewear is unbreakable or eliminates the possibility of injury.