Sylvie Loki Costume Diy . All of it i just had around the house but needed to be combined together just right. See more ideas about loki cosplay, loki, lady loki. Loki Season 1 Cosplay Costume Leading Role Sylvie Lushton Etsy from www.etsy.com They also had a loki costume they mentioned, so mega funky :/ 2. Based on the recent set photos sophia posted, i think these might be really close. Custom made size loki tv season one cosplay costume loki sylvie variant costume outfit cosplay costume costumeusa 4.5 out of 5 stars (213) $ 9.00 free shipping add to favorites loki inspired halter dress.