- Design: SMFK Retro Collection, utilizing retro-style materials and finishing processes such as garment dyeing/stir-dyeing/salting/stone washing to present the vintage texture of the clothing. Retro bohemian zip-up vest, garment dyed, made of cotton-kapok blend ribbed knit fabric, softly washed to create a rugged and wild feel, V-neck cropped vest with a center front zip-up design, and waist panel for enhanced waist shaping.