1. This yellow Juicy tracksuit:

2. This other tracksuit:

3. This striped shirt under a purple shortsleeve sweater with a matching headband:

4. This floral bikini top with a denim skirt:

5. This cargo skirt:

6. This other cargo skirt:

7. These sunglasses:

8. This bandana with this halter top:

9. This yellow tube dress:

10. This flowy shirt with tight low-rise jeans:

11. These hoop earrings:

12. This Juicy terry cloth dress:

13. This striped skirt:

14. This collared shirt under a sweater (and those pants with the DOUBLE-HOLED BELT.)

15. This deep-V striped shirt:

16. This barrette (and jean jacket):

17. This updo:

18. This shirt (what are these called I don't even know??):

19. This striped scoop neck:

20. This skirt–beanie combo:

21. This hair:

22. This necklace:

23. This dress:

24. That sparkly cardigan with shirt underneath:

25. This lipstick:
26. And these satin gloves:

Even though Season 1 Summer was strange and different, she was still Summer.

All screenshots from here. Thank you for those.