Soft, ultra-light and comfortable to wear Full long arch support Active carbon fiber remove odors Additional heel cushion protects heel spur from most painful shocks High resilient blue gel cushion provide extra protection Provides extra support to the heel and base of the foot Extra cushioning in the heel for maximum effect. Stoma design, not afraid sweat, suitable for sports, keep your feet smell in fresh. Size: DIY cutting.S:Foot Length about 24.0cm.M:Foot Length about 26.0cm.L:Foot Length about 28.5cm. Package includes One pair Insoles (For both Legs). PackaTechnology For Temperature Control, Anti-Bacterial, Anti-Fungal, Anti-Perspiration Machine Washable.ge Includes – One pair (2 Pcs). The Original Anti-Fatigue Insole With Dual Layer Memory Foam Technology.