Corset (i tHinK its a corset?? closest thing i could find xD) https://www.amazon.com/HOEREV-Elastic-Waspie-Corset-Waist/dp/B0928C97HC/ref=sr_1_3?crid=OO6XC10GNMU5&keywords=orange%2Bwaist%2Bband&qid=1677334671&sprefix=orange%2Bwaist%2Bba%2Caps%2C312&sr=8-3&th=1
White shoelace things (to braid through the corset): https://www.amazon.com/Sechunk-Shoelace-Various-Multiple-lengths/dp/B07P5H1SX1/ref=sr_1_6?crid=2WNLO7Q67Q2NB&keywords=white+shoelace&qid=1677334784&sprefix=white+shoela%2Caps%2C306&sr=8-6
EDIT: The hoodie doesnt really have long strings so here ya go :)https://www.amazon.com/Stepace-Pairs-Length-Shoelaces-Orange/dp/B0811YRGVX/ref=sr_1_15?crid=4N3J3EVL332L&keywords=orange+furry+hoodie+lace&qid=1677335108&sprefix=orange+furry+hoodie+lac%2Caps%2C298&sr=8-15
EDIT 2: completely forgot about the pants (facepalm)
https://www.amazon.com/Victorious-G-Style-Elastic-Fleece-Sweatpants/dp/B07629Q16Z/ref=sr_1_5?crid=2JQXXRLKVMWLK&keywords=orange+fleece+pants+baggy&qid=1677335196&sprefix=orange+fleece+pants+baggy%2Caps%2C378&sr=8-5
I REALLY HOPE THESE HELP! These r the closest things i could find on amazon :)