The i-Run team says
Technologies
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3D BionicSphere System - Surface d'évaporation 50% plus large
Larger and anatomically adjusted, the 3D-BionicSphere® system is more efficient. For the same effort, it can now expel more sweat and store an additional 8cm³ of insulating air during rest phases.
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Macrosphere System
Area on the chest or back of large size that cools without chilling. Helps with cooling when you sweat and warms when you are cold.
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Ideo-Waistband
Ergonomic belt with a low cut in the back to keep the garment in place even during movement.
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Venus XT Rib
A vertical ventilation channel that increases air circulation and regulates perspiration.