Suited for all sports and activities for users under 95 kg, Above 95 kg: we recommend ref. NO4Ideal for walking, running, football, rugby, hockey, tennis, and all indoor sports. NOENE shock absorbing material. Suits any shoe type. Sizes for 36 to 50 - (UK sizes 12-15) Use as a replacement for or under original inner sole, or simply fit it into your street shoes. They are intended for individual use and may be cleaned when necessary using warm water and mild soap (dry away from heat source). Avoid contact with injured skin. Wear soles with socks, logo side facing up, elastomer side facing shoe. Noene inner soles effectively absorb up to 98.8 % of shocks and vibrations to protect your back, tendons and joints during sports and/or leisure activities on hard surfaces. Noene is known for being thin and lightweight, and athletes appreciate that it maintains the sensation of floor contact, without causing biomechanical instability during running, unlike other soles that are too thick, too soft or too viscous.