These sport-specific insoles feature a distinctive yellow textured EVA foam base with integrated air-cushion technology for superior shock absorption during high-impact activities. A central blue circular air chamber—activated by finger pressure in the demo—is engineered to compress and rebound, reducing foot fatigue and joint stress. The contoured arch support and longitudinal grooves enhance stability and flexibility, while perforated ventilation holes improve breathability. Ideal for runners, gym enthusiasts, and daily walkers seeking enhanced comfort and injury prevention. The ergonomic design fits most athletic shoes, and the set includes 3 pairs (as indicated by '3双' in the image), offering value and longevity. Made from lightweight, durable materials, these insoles provide targeted cushioning without adding bulk, making them perfect for training sessions, long walks, or travel. The bright yellow color with blue accents adds visual appeal while signaling performance-oriented functionality.