A rubberboot with a high shaft made of natural rubber. The boot has a clean design and a soft thin lining at the inside. Koster is both waterproof and windproof which makes it perfect for rainy days in the garden or for a shopping spree down town.
Below is a simple summary of which garments are waterproof based on a three-level scale. We have formulated our waterproofness scale based on the waterproofness of the material, whether the garment has taped or welded seams, and how the garment is constructed.