Panty undergarment with stretch panels

An undergarment constructed of a unitary garment blank that has been knit in a single piece including:

• a welted waistband portion;
• a seamless body portion formed integrally with said waistband portion and extending below said waistband portion, said body portion including a front section adapted to overlie the abdomen of the wearer, upper thigh sections adapted to encircle the thighs of a wearer, and a rear section adapted to overlie the buttock areas of a wearer;
• and,
• a crotch closure section formed integrally with said front section;
• said crotch section having a single thickness which is stretchable in a first direction along an axis extending from said front section to said rear section;
• is stretchable in a second direction extending at right angles to said first direction;
• and also, is stretchable in third directions angularly disposed to said first and second directions;
• the stretch in said second and third directions being greater than the stretch in said first direction, and,
• said crotch section extending downwards from a lower portion of said front section and being secured by a line of seaming at its opposite end to said rear section of said garment blank at a point substantially aligned with the gluteal crease of the wearer during wearing of said garment;
• whereby there is an absence of seaming between said crotch section and said front section of said garment.