- Size: 40/41 • Insoles designed to relieve plantar fasciitis pain and provide arch support. • Dual-layer construction with high-quality EVA foam and polyurethane cushioning for maximum comfort. • Breathable fabric that keeps feet cool and dry during intense activities. • U-shaped heel design that provides stability and reduces friction between feet and shoes. • Product dimensions: 26 cm long, 8.5 cm wide, and 3.2 cm high. • Product weight: 0.001 kg (there may be an error in the provided information). • Usage recommendation: do not use for more than 2 months per pair and hand wash.