Made of an transpirable honeycomb fabric and soft boucle fabric. Built-in flexible steel stays, morphologically performed to the dorsal zone. Elastic straps made of soft cushioned fabric, adaptable to adjust to the axilla zone and obtain greater comfort. New strap system with east-to-close buckle. The spinotech module is single support which allows us to convert an evotec lumbo sacral orthosis into a thoracolumbo sacral orthosis.