SIKA Bubble 50011 Low Sneaker Move White - Size 37 Sika Bubble. Extra non-slip and flexible EVA/rubber sole. The air bubbles in the sole offer unique comfort and shock absorption under the entire foot. Breathable and washable. Shock-absorbing and sweat-wicking insole, which largely retains its shape over time. The insole reduces unpleasant odors and is washable at 30°C. Lightweight, good fit and comfortable. Suitable for medical environments, food processing or leisure.