NWT Speax By Thinx French Cut Beige Size Medium Women’s undergarment. Absorbent underwear. Elastic-lined leg openings offer a comfortable fit that retains its shape after washing. Tag-free. Body: 78% Nylon, 22% Spandex Gusset 1 (wicking): 100% polyester Gusset 2 (absorbent): 80% Polyester, 20% Nylon Gusset 3 (barrier): 100% Polyurethane. Completely washable and reusable.