Shirt retainer undergarment

1. A system for retaining a shirt in place, comprising:

an underwear comprising a main body having a top end and a bottom end;

at least two leg sections on the bottom end of the main body;

a groin area section located in the middle of the main body and between the at least two leg sections, wherein the at least two leg sections on the bottom end of the main body extend beyond a bottom area of the groin area section;

a first waistband attached to the top end of the main body and extending horizontally along said top end of the main body;

an undergarment surrounding a portion of the main body and comprising at least two vertical restraints, each vertical restraint having a first end and a second end, wherein each first end comprises a lateral support strap that expands vertically and is attached to a second waistband that expands horizontally along the main body, and each second end comprises a low-end support area that is attached to and expands horizontally along each corresponding leg section of the at least two leg sections on the bottom end of the main body,

wherein the undergarment further comprises a middle section having at least a first distal end and a second distal end, wherein said at least first distal end is attached to the second waistband and said at least second sewn attached to the bottom area of the groin area section, wherein the middle section covers the groin area section of the main body, thus forming a space between the middle section and the groin area section of the main body, wherein the middle section comprises at least one button hole for attaching the button of a dress shirt.

2. The system for retaining a shirt in place, as in claim 1 ,

wherein the second waistband is made of elastic material.

3. The system for retaining a shirt in place as in claim 1 , wherein the at least two vertical restraints comprise at least a pair of diagonal support straps.

4. The system for retaining a shirt in place as in claim 1 , wherein the second waistband comprises at least one element that is capable of sticking to a dress shirt.

5. The system for retaining a shirt in place as in claim 1 , comprising: wherein the second waistband comprises pockets for inserting attachment means.

6. The system for retaining a shirt in place as in claim 5 , wherein the attachment means are magnets.

7. The system for retaining a shirt in place as in claim 1 , wherein the second waistband can be positioned on top of the first waistband.

8. The system for retaining a shirt in place as in claim 4 , wherein the at least one element that is capable of sticking to a dress shirt is a rubber element.