The new technology AIRTUBELESS is designed to improve the comfort of all kinds of footwear, from that for professional use to casuals on every design. AIRTUBELESS is a technology that Cauchos Arnedo offer exclusively, to obtain footwear with a reduced pressure on the sole of the foot of up to -30%, just as if one were walking on soft grass. Furthermore this offers greater thermal insulation of between +31% and +52%. The exclusive system of micro tubes incorporated in the soles makes walking more comfortable, protects joints and reduces the impact shock by up to 55%, with the obvious benefits. Then AIRTUBELESS is also able to reduce by 24% the muscular stress in the lumbar region, helping to prevent back pain. An innovation to take into great consideration, of versatile production, that can adapt to any type of sole.