A portable chair comprising: a first front leg and a second front leg connected by a front sled; a first back leg and a second back leg connected by a back sled; a seat frame including a forward rail, a rear rail opposite the forward rail, a first seat side rail extending between the forward rail and the rear rail, and a second seat side rail extending between the forward rail and the rear rail opposite the first seat side rail, a back frame including a top rail, a first back side rail extending downward from the top rail, and a second back side rail extending downward from the top rail opposite the first back side rail, a fabric member releasably connected to the seat frame and the back frame, wherein the fabric member extends from the forward rail to the top rail; and an armrest (184, 190) comprising an armrest body that is pivotally connected to the back frame at a rear end portion, and a control assembly (200; 200A) connected to the armrest body, wherein the control assembly (200; 200A) includes a sliding pivot (186; 192; 186A; 192A) that is pivotally attached to the first front leg and the first back leg and is also slidably engaged with the armrest (184, 190), and wherein the armrest (184, 190) has a rear end pivotally connected to the back frame, wherein a rearward movement of the sliding pivot (186; 192; 186A; 192A) causes the portable chair to move from an upright position to a reclined position, and wherein the portable chair has an unfolded position and a folded position; the portable chair being characterized in that the sliding pivot (186; 192; 186A; 192A) comprises a first set of engaging teeth that engage with a second set of engaging teeth to secure the sliding pivot (186; 192; 186A; 192A) in a fixed location relative to the armrest body, and in that the control assembly (200; 200A) further includes a side paddle that is pivotally attached to the armrest body such that when the side paddle is rotated inward, the second set of engaging teeth disengage from the first set of engaging teeth to allow the sliding pivot (186; 192; 186A; 192A) to move relative to the armrest body. a first front leg and a second front leg connected by a front sled; a first back leg and a second back leg connected by a back sled; a seat frame including a forward rail, a rear rail opposite the forward rail, a first seat side rail extending between the forward rail and the rear rail, and a second seat side rail extending between the forward rail and the rear rail opposite the first seat side rail, a back frame including a top rail, a first back side rail extending downward from the top rail, and a second back side rail extending downward from the top rail opposite the first back side rail, a fabric member releasably connected to the seat frame and the back frame, wherein the fabric member extends from the forward rail to the top rail; and an armrest (184, 190) comprising an armrest body that is pivotally connected to the back frame at a rear end portion, and a control assembly (200; 200A) connected to the armrest body, wherein the control assembly (200; 200A) includes a sliding pivot (186; 192; 186A; 192A) that is pivotally attached to the first front leg and the first back leg and is also slidably engaged with the armrest (184, 190), and wherein the armrest (184, 190) has a rear end pivotally connected to the back frame, wherein a rearward movement of the sliding pivot (186; 192; 186A; 192A) causes the portable chair to move from an upright position to a reclined position, and wherein the portable chair has an unfolded position and a folded position; the portable chair being characterized in that the sliding pivot (186; 192; 186A; 192A) comprises a first set of engaging teeth that engage with a second set of engaging teeth to secure the sliding pivot (186; 192; 186A; 192A) in a fixed location relative to the armrest body, and in that the control assembly (200; 200A) further includes a side paddle that is pivotally attached to the armrest body such that when the side paddle is rotated inward, the second set of engaging teeth disengage from the first set of engaging teeth to allow the sliding pivot (186; 192; 186A; 192A) to move relative to the armrest body. the sliding pivot (186; 192; 186A; 192A) comprises a first set of engaging teeth that engage with a second set of engaging teeth to secure the sliding pivot (186; 192; 186A; 192A) in a fixed location relative to the armrest body, and in that the control assembly (200; 200A) further includes a side paddle that is pivotally attached to the armrest body such that when the side paddle is rotated inward, the second set of engaging teeth disengage from the first set of engaging teeth to allow the sliding pivot (186; 192; 186A; 192A) to move relative to the armrest body.