The Four layer insole system gives maximum support & comfort where and when it  counts. From Policemen to Hiking, the Viper insole will keep you comfortable in  all conditions. Washable, Breathable, Moisture & Wicking with Anti-Bacterial  Odour-Free Carbon fibres. Easy to fit simply remove your existing insole and  insert the Viper insole. Trim to fit with scissors if necessary.

Sizes Available Medium (Shoe sizes 8-10) & Large (Shoe sizes 11-13)