TONE is a 30,000 sq. ft., full-service fitness center on the 33rd floor of the Willis Tower exclusively for tenants and employees.

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The design included creating spaces within the floorplan to accommodate specialized equipment for an array of fitness classes and individual work-outs in boutique-style training rooms.

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Their desire for panoramic views of Chicago throughout the club and lots of natural light was achieved by using a combination of glass and architectural metals to create defined work-out spaces.