Twolayer latex foam insoles. Antisweat antiodor insoles with longlasting effect. Latex foam contains fiber enriched with active carbon which perfectly and longlasting absorbs all unpleasant odors and provides softness and comfort to the feet. It is mainly recommended when the foot is heavily loaded such as overweight standing work or walking on hard surfaces. This type of insoles is suitable for any type of footwear.UNIVERSAL SIZE! Simply cut the insole according to the marked lines on the back to fit your shoes you can also cut them to perfectly fit the shoes you are using.For proper hygiene of the insoles it is a good idea to replace them every 68 weeks. The package contains two insoles (left and right).The package contains two insoles (left and right).