Color: Black系 (likely referring to a shade of black) If people close to you mention your poor posture, or if you're experiencing fatigue, it's time to pay attention. Going to the hospital is important, but preventing problems yourself is also crucial. Taking care of your feet is an easy place to start. [X-Leg Correction] By supporting the arches of your feet, this product corrects foot posture and alleviates not only foot fatigue, but also shoulder stiffness, lower back pain, knee pain, bunions, and plantar fasciitis. [Cushioning Material] The surface uses skin-friendly velvet material, which is breathable and absorbs sweat well. The sole uses comfortable polyurethane material, supporting your weight, reducing the burden on your feet and knees, and protecting your soles from impact and friction. [Excellent Softness] This insole is incredibly soft, absorbing impact on the heels and promoting comfortable walking. It's gentle on your feet, distributes pressure, and relieves pain. [Fatigue Reduction] The small, raised design provides a foot massage, reducing fatigue. [Applicable Users] This is an arch support and X-leg corrector for flat feet. It's ideal for pain from ankle pain, plantar fasciitis, heel spurs, and flat feet. Recommended for those who stand for work, do outside sales, walk a lot, engage in exercise or sports, enjoy the outdoors, or use shoes with thin soles.