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

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This space transformation included creating boutique-style training rooms utilizing glass and metal framing designs. Some of the rooms are specified for functional training, stretching, spin, and yoga.

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One of the benefits of utilizing glass room enclosures is the ability to take advantage of as much natural light as possible in each space. This also allows for panoramic views of Chicago throughout the club.