7OR9's new comfortable series - small mattress flat shoes: Continue the patented comfort technology of AIR-TOUCH FOAM, and also use triple clouds integrated surface and sole technology to give your feets a 360° gentle embrace. The double support of the pressure-relieving latex and the shock-absorbing pad core is like laying a soft and resilient mattress on the sole of the feet, which stretches naturally, allowing the feet to stretch as if lying on the mattress.

  Air-Touch Foam：7or9 thoughtfully used Air-touch Foam in each shoe. The design inspiration was from sneakers, which makes a great difference. All-round coverage for all foot shapes, reducing toe and heel rubs.

 3D Shock-absorbing pad core: Made from 6mm high-resilience eco-friendly blue-dot material

 Shoes insole & lining: lambskin with micro-needle punching, prevents water buildup on the soles of the feet, keeps your feet comfortable and dry.They are known for their soft, supple texture, and their durability. Lambskin is a popular material for high heels due to its lightweight and flexible nature, as well as its luxurious look and feel. 

 Counter Latex Pillow: High-stretchy and breathable, reducing heel rubs.