Ray-Ban verified reseller

Product description

  • Square black frames with a sleek, structured design
  • Lightweight metal build for lasting comfort
  • Grey Polarized+ lenses with mirrored, gradient finish
  • Adjustable nosepads for a personalised fit
  • 100% UVA/UVB protection with glare reduction

Effortlessly blending advanced technology with bold style, the RB3721CH sunglasses feature square black frames for a structured, contemporary look. Crafted from lightweight metal, they ensure durability without compromising comfort. Grey Polarized+ lenses enhance contrast, block glare, and deliver superior visual clarity with a mirrored, gradient finish for a sophisticated edge. Complete with adjustable nosepads, these square sunglasses offer a personalised fit and 100% UVA/UVB protection, making them a reliable companion in any light condition.

  • Prescription sunglasses lenses available.
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Frame measurements

  • Frame width

    142 mm

  • Bridge width

    17 mm

  • Lens height

    45 mm

  • Lens width

    59 mm

  • Side length

    145 mm

Prescription sunglasses

Our standard delivery service is 7-10 working days pending prescription validation and availability.

Orders under £35 are subject to a delivery charge.

See our delivery page for more information.

Non-prescription sunglasses and accessories delivery

We offer next day delivery as standard. Orders received before 6pm, Monday to Friday, will be delivered the next day*. 

Orders under £35 are subject to a delivery charge.

See our delivery page for more information.

*Postcode exclusions apply.

Returns

Sunglasses and accessories can be returned up to 100 days post purchase for a full refund.

See our returns page for more information.