Quick Summary
The LACOSTE L999S 401 is a pair of matte blue sunglasses in a 55/18/145 size, described as a male frame with a modified rectangle shape. It is an RXable frame, so prescription lenses can be mounted.
The frame is described as global fit and large size with adjustable temples. The lenses are described as lightweight and as providing UV protection and scratch resistance.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | LACOSTE, which identifies the product range. |
| Model | L999S 401, useful for matching the exact frame. |
| Colour | Matte blue, the stated frame colour. |
| Size | 55/18/145, the stated sizing for lens width, bridge and temple length. |
| Frame type | Male sunglasses with a modified rectangle shape. |
| RXable frame | Prescription lenses can be mounted in this frame. |
| Fit | Global fit, large size and adjustable temples are stated, so fit preference matters. |
| Lenses | Lightweight lenses with UV protection and scratch resistance are described. |
| Frame material | Bio injected material is stated, which may matter if material choice is important. |
What to Compare Before Buying
- Fit and size: Check the 55/18/145 sizing against the face fit you prefer, especially if you need a larger frame.
- Prescription use: The RXable frame matters if you plan to mount prescription lenses.
- Lens features: Compare the stated UV protection and scratch resistance with what you want from the lenses.
- Temple adjustment: Adjustable temples may affect how securely and comfortably the frame sits.
- Frame shape: The modified rectangle shape gives the sunglasses a particular look, so style preference is worth checking.
Before You Decide
Confirm the LACOSTE L999S 401 colour, the 55/18/145 size and whether you want an RXable frame before choosing an offer. If prescription lenses are important, make sure this frame suits that plan and check the fit details against the size you need.





