Poron Sock Liners

Poron sock liners are made from a proprietary urethane product manufactured by (from what we can gather) Rogers Corporation, though the people at Greene Rubber claim to manufacture it too.

Judging by the background information provide on both sites, Rogers looks like the real McCoy. We are using their content for this definition.

Manufacturers claim these specialized urethanes retain maximum comfort and flexibility.

This material is made without plasticizers, which means the material will not shrink or become brittle and crack with age. The inserts and midsoles retain "like-new" softness and flexibility.

The midsoles provide the highest degree of impact absorption which might possibly aid in injury prevention.

These sock liners come with a "breathable layer" to help feet stay dry. The layers are permeable and "wick off", or draw water vapor and perspiration away.

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