Lauren Moshi Kel Scoop Neck Muscle Tank in Black. - size M (also in S) Lauren Moshi Kel Scoop Neck Muscle Tank in Black. - size M (also in S) 70% tencel 30% cotton. Front screen print graphic. Crystal accents. Made in USA. LMOS-WS1548. 2190-TNC-13564. Lauren Moshi was founded by siblings Michael and Lauren. Within the creations lies a treasure trove of unique pieces carefully constructed and artfully deconstructed.