




| Category | Lens Tints | Suitable For |
| 0 | None or very light tint | For aesthetic, fashion or comfort purposes |
| 1 | Light tint | Weak levels of sunlight |
| 2 | Medium tint | Average levels of sunlight |
| 3 | Dark tint | For use in strong sunlight, including light which is reflected off water or snow |
| 4 | Very dark tint | For use in exceptional levels of strong sunlight. Not suitable for drivers and road users |
Delivery options
Standard Delivery - FREE - (3-5 working days)
Next Day Delivery - £5.95 - (Next working day)
Saturday Delivery - £9.95 - (Delivered Saturday 25/07/2026)
Sunday Delivery - £9.95 - (Delivered Sunday 26/07/2026)
For our complete returns policy please click here
The Nico range of Serengeti sunglasses strives to beat traditional sunglasses at their own game, with these polarised lenses hosting the signature Serengeti photochromic technology. The Nico 7644 boasts an incredible Dark Tortoiseframe with a brown Drivers Polarised Photochromic lens.
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