Sunglasses
Kahneman
Shipping calculated at checkout.
Prescription, reading, blue light or sun lenses – or frame only.
- Free shipping over €99
- 14-day frame returns
- 3-month warranty
Kahneman is a square wayfarer-style sunglasses frame for men made from acetate with a full-rim construction. It comes in size M and in four finishes: black, clear, a floral pattern and a second floral variation, so there is a classic and a bold option. The bold square lenses and cool, clean lines make it a modern staple that adds structure to round and oval faces. Acetate keeps the frame sturdy and comfortable for everyday use. Select your lenses in the lens selector, including tinted sun lenses, prescription sun lenses or blue light lenses, all made to order. Shipping is free on orders over €99, and a 14-day fit and style guarantee lets you return or exchange.
Experience a new wave in modern eyewear fashion with these black square wayfarer sunglasses. This classy frame's cool black finish and bold square lenses make these square sunglasses a fashion staple you don't want to miss out on. Kahneman is a classic style, which is very suitable to help you create a sophisticated style.
Shipping & returns
Free worldwide shipping on orders over €99. Non-prescription glasses ship within 2–3 days, prescription glasses within 2–8 days. You can return a frame within 14 days. Prescription lenses are made to order for you, so they can’t be returned – if you send back prescription glasses, we refund the frame. See returns & exchange and shipping & tracking.
Care & warranty
Every pair comes with a 3-month warranty against defects in materials and workmanship. Clean your lenses with the included cloth and keep your glasses in their case when you are not wearing them.

Kahneman
Kahneman
Lenses made for you
Single vision, progressive, reading or plain – then blue light, light-adaptive or sun lenses. You choose everything in the next step.
14-day frame returns
Not the right look? Return the frame within 14 days. Prescription lenses are made just for you, so only the frame is refunded.
3-month warranty
Every pair is covered against defects in materials and workmanship for 3 months.
Find your fit.
- ALens width
- 51 mm
- BBridge
- 19 mm
- CLens height
- 41.1 mm
- DFrame width
- 139.5 mm
- Temple length
- 142 mm
- Material
- Acetate
- Shape
- Square
Compare with a pair you already own – the sizes are printed inside the temple. Not sure? Ask us.
Questions about size or lenses?
Send us your prescription or a photo of your current glasses – we help you choose the right frame and lenses.