A canopy structure comprising: a plurality of support members, each of the plurality of support members comprising a first leg and a second leg, the second leg of each of the plurality of support members telescopically slideable within the first leg of each of the plurality of support members to adjust a height of the canopy structure; a plurality of eaves, each of the plurality of eaves coupled to a top end of at least one of the plurality of support members, each of the plurality of eaves comprising at least one scissor-jack member (126 1, 126 2, 126 3,... 126 N) moveable between an extended position and a collapsed position; and a plurality of locking members, each one of the plurality of locking members coupled to the first leg of a respective one of the plurality of support members, characterised by each of the plurality of locking members comprising: a locking lever comprising a handle portion and a cam portion, the locking lever moveable between an unlocked position and a locked position; and a friction member engageable with the cam portion of the locking lever, wherein the friction member is configured to apply a force to an outer surface of the second leg of the one of the plurality of support members when the locking lever is in the locked position; wherein the first leg of the one of the plurality of support members further comprises a window, wherein the friction member extends through the window to selectively engage the adjacent second leg; and wherein the friction member comprises a similar shape as the window; wherein the first leg and the second leg each have a generally trapezoidal cross-sectional shape; and wherein the window comprises a rectangular shape. a plurality of support members, each of the plurality of support members comprising a first leg and a second leg, the second leg of each of the plurality of support members telescopically slideable within the first leg of each of the plurality of support members to adjust a height of the canopy structure; a plurality of eaves, each of the plurality of eaves coupled to a top end of at least one of the plurality of support members, each of the plurality of eaves comprising at least one scissor-jack member (126 1, 126 2, 126 3,... 126 N) moveable between an extended position and a collapsed position; and a plurality of locking members, each one of the plurality of locking members coupled to the first leg of a respective one of the plurality of support members, characterised by each of the plurality of locking members comprising: a locking lever comprising a handle portion and a cam portion, the locking lever moveable between an unlocked position and a locked position; and a friction member engageable with the cam portion of the locking lever, wherein the friction member is configured to apply a force to an outer surface of the second leg of the one of the plurality of support members when the locking lever is in the locked position; a locking lever comprising a handle portion and a cam portion, the locking lever moveable between an unlocked position and a locked position; and a friction member engageable with the cam portion of the locking lever, wherein the friction member is configured to apply a force to an outer surface of the second leg of the one of the plurality of support members when the locking lever is in the locked position; wherein the first leg of the one of the plurality of support members further comprises a window, wherein the friction member extends through the window to selectively engage the adjacent second leg; and wherein the friction member comprises a similar shape as the window; wherein the first leg and the second leg each have a generally trapezoidal cross-sectional shape; and wherein the window comprises a rectangular shape.