Summery. Sustainable. Timeless.

The kūlson sneaker “alva” combines airy, light design with high everyday suitability and sustainable production.
The small hole structure in the white upper makes it the ideal summer edition – stylish and breathable at the same time.

Handmade in Portugal, the “alva” offers a customizable fit, a recycled rubber sole, and plastic-free shipping.
4% of sales proceeds go directly to organizations dedicated to ocean conservation.

Materials & Processing

The “alva” combines classic design with modern materials:

• Upper material : High-quality Italian leather with elegant hole structure

• Sole : 70% recycled + 30% natural rubber

• Interior : Removable footbed – individual and comfortable

• Production : Carefully & fairly manufactured in Portugal

• Packaging : Plastic-free, climate-conscious & recyclable

Who is the sneaker intended for?

For all those who appreciate minimalist design – but don’t want to forgo sustainability.
Ideal for everyday wear, travel, or summer office looks. Light, clean, and responsible.