https://store.shopping.yahoo.co.jp/kimono-cafe/menslip.html This is a 3-piece formal underwear set made of 100% cotton. - Set includes: 3 items (hadajuban [undershirt], steteko [shorts], broad tabi [socks]) - Size: M - Tabi size: 24.5cm - Material: 100% cotton - Tabi material: Outer fabric: 65% cotton, 35% polyester - Tabi features: 4 hooks, moisture absorption, breathability Although not shown in the photos, the hadajuban and steteko have been home-laundered (washed) and are not ironed.