Since its humble beginnings in 2013, Corridor has earned a cult following for its layered looks and creative NYC-influenced styles, and this Mushroom K12 cardigan is a prime example. It’s meticulously knitted from premium cotton yarn and features an all-over mushroom pattern. You’ll definitely have to make some shroom in your wardrobe for this one! 100% Cotton, Button Closure, 2 Front Pockets, Made in Peru. Corridor Men's Mushroom K12 Cardigan in Black, Size Medium | END. Clothing