Done in a stretchy technical fabric that's lightweight

and a rubber patch at the center back

Outter: 100% Lambskin

boning at the sides

Strap & Staying: 100% Leather

The Yves Socks in Fawn vests Done in a stretchy technicalComme Si's The Yves Socks are crafted from an Egyptian cotton blend in the perfect weight that's not too thin, nor too thick, and features a wide rib with plenty of stretch to ensure they stay up all day long. Made in Italy 78% Egyptian Cotton, 22% Polyamide Machine wash in laundry back w cold or warm water. Tumble dry low. Do not iron, do not bleach. EU sizing 35 38 fits U. S. women's sizes 5 8 39 42 fits U. S. women's sizes 9 12