Piggybacking on here to post some links someone on FindFashion suggested. Dibs on the 2ne one!
https://www.lulus.com/products/cross-reference-sage-green-oversized-backless-sweater/1291656.html
https://www.amazon.com/dp/B07K9HP3ZD?ref_=cm_sw_r_cp_ud_dp_2AKJ4EVCYY2ZJ4SRG711
https://www.etsy.com/listing/99721057/mysterious-sweater-hand-knit-tunic-open?gpla=1&gao=1&