TIGHTOLOGY Chunky Rib Socks Green Six Unique Summer Vacation Ideas Travel Reveal. Tightology is an Australian independent label producing hosiery and essential consumer products, with a social and environmental conscience and a considered approach to design. Made in Australia and Italy they are known for their use of fine materials, detailed design approach and luxurious fibres, which is why we cant get enough of them at Zabecca Living. Premium chunky rib merino wool socks. The Green Chunky Rib Socks are luxurious, warm, soft, comfortable and a wardrobe essential for fashion lovers. FABRIC: 62% Merino Wool, nylon, elastane SIZE: Medium 8 11 women, 6 10 men, Large 11 14 women, 10 13 men