Underproofed?

HiWas just after some opinions really on whether this loaf is looking slightly underproofed or if the uneven holes are likely to be more shaping-related. Its a 75% hydration loaf and i finish bulk ferment when it has gone from being placed into a marked container (below) and had risen to the 1L mark (ive let it double before but it had very little oven spring after a cold