SKIMS Outdoor Track Jacket

I bought this off Poshmark, it's so cute but it doesn't fit me so I need to find a larger size for myself! Only worn once in excellent condition! Here's previous sellers info on jacket: SKIMS Outdoor Track Jacket Mock Neck Zip Up Front Pocket in Blush Tigers Eye Size Medium NEW Brand new without tags, perfect condition! This fitted, body hugging track jacket with a mock neck is the perfect everyday layering piece. Made in LA with a breathable, garment-dyed cotton for being outdoorsy, or not. Fitted Zip Up Track Jacket, Mock Neckline With Full Zip Closure, Front Kangaroo Pocket, Rib Elasticized Cuffs, Neck Band, And Bottom Band 91% Cotton/ 9% Spandex