By Jay creates playful embroidered childrenswear designed to bring personality and nostalgia to little wardrobes. Known for its signature Milk Carton jumper, the brand focuses on bold embroidered motifs paired with soft, comfortable garments made for everyday wear. Blending a handmade feel with a clean, contemporary aesthetic, By Jay designs pieces that feel both distinctive and timeless. Each garment is thoughtfully crafted to celebrate creativity, individuality and the small, joyful moments that make childhood so memorable.
