Silver Jeans Co. Silver Women's Aiko Mid Rise Super Skinny Jean 52% Cotton, 28% Lyocell, 19% Polyester, 1% Elastane Imported Machine Wash Hello, hourglass. Our aiko mid-rise super skinny jeans in radically casual joga denim are made just for you, conforming to your natural curves without gapping in the back. Our next-level joga fabric looks like classic five-pocket denim, yet moves and feels just like your favorite pair of sweats (for the win).