On the west side of the stadium, sections 4-7 are chairback seats. On the east side of the stadium, only rows X-LL in sections 15 and 16 feature a seat with a back.

chairback seating bbt field
On the east side of BB&T Field, rows X-LL in midfield sections feature a chair with a back

Photo Credit: oldgoldandblack.com

In addition to being more comfortable than bleacher seating, these rows are located close to the section tunnel for quick access to the concourse. They're also located at an ideal height for seeing the entire field and both sidelines.