We met in a small café in Munich's English Garden, and it took Isabel about two minutes to start talking about her drawings. Not her brand, not her business plan, her drawings. That told me everything I needed to know about Blue Sunday. Isabel designs every motif herself, by hand. Green waves curling like an ocean swell, a bird mid-flight across a longsleeve, delicate flowers scattered like a field study. These are not decorative patterns pulled from a catalogue or generated on a screen. They start as pencil on paper. The illustration is the heart of it, the part she protects.

Everything else, she has deliberately placed in other hands. The screen printing happens in Munich through partners she chose carefully. The textiles are 100% organic cotton, unisex shirts, longsleeves, and tote bags in relaxed silhouettes and muted, considered colours. Isabel is clear-eyed about what she loves doing and what she does not, and she built her business around that honesty. The partners handle production and fulfilment; she stays at the drawing table.

The collection is small on purpose. A handful of motifs rather than seasonal drops, all orbiting the same quiet world, water, movement, nature. Pricing reflects the craft without pretension: €45 for a shirt, €56 for a longsleeve, €20 for a tote. Slow fashion not as a marketing label, but as a natural consequence of one person drawing every design that leaves the studio. What stays with you is the line work. You can trace the weight of the pencil, the slight curve where a wave breaks. In a market saturated with algorithmically generated graphics, a shirt that still carries the trace of Isabel's hand feels like a small, welcome act of stubbornness.