What are Noene 4mm Shock Absorbing Insoles? Double thickness 4mm shock absorbing insoles for users who require extra cushioning. Excellent 36 month life expectancy. Can be hand washed with mild detergent. Lined with Cambrelle, which is a germ resistant material that is flexible but does not stretch. Absorbs up to twice its own weight in sweat. Can be trimmed to size. Note: Suited for all sports & activities, for users over 95kg When can I use them? Noene 4mm insoles are recommended for people weighing over 95kg or where the user may require additional cushioning. Designed to be worn under the current insoles in all kinds of sports footwear. Also perfect for adding cushioning & dispersing shock in standard issue police/military footwear. For the treatment & prevention of: Tibialis Posterior Syndrome Medial Tibial Stress Syndrome Shin splints Achilles tendinopathy Achilles tendonitis Tibial stress fractures Which size do I need? Available for European shoe sizes 39 to 50. Please choose your Eurpean foot size when ordering. Equivalent UK shoe sizes are as follows: 39 (UK 6) 40 (UK 7) 41 (UK 7.5) 42 (UK 8) 43 (UK 9) 44 (UK 9.5) 45 (UK 10) 46 (UK 11) 47 (UK 12) 48 (UK 13) 49 (UK 14) 50 (UK 15) Shoe Size Conversion Chart How do they work? Noene Inner Soles have been scientifically developed to provide maximum shock dissipation from minimum thickness. This protects the body from 94 to 98% of rebound shockwave energy that can substantially reduce the risk of sustaining common overuse injuries such as stress fractures of the lower limbs, pelvis & back, tendon problems, shin splints & disc related back injuries. With their ultra lightweight, they will not interfere with the balance & integrity of your chosen sports shoe.