Bag

A method of forming a bag comprising:

• forming a first sidewall;
• forming a second sidewall;
• forming a top wall;
• forming endcaps positioned on the first sidewall and second sidewall, wherein a first endcap and a second endcap comprise a rigid structure and maintain a general shape of the bag during use, wherein the first endcap and the second endcap are compression molded, wherein the first endcap and the second endcap are affixed to the top wall, the first sidewall, the first sidewall, and the second sidewall by welding, the endcaps having a first layered structure, wherein the first layered structure comprises a first compression molded outer layer and an additional structural layer formed of a first foam material, and wherein the endcaps comprise a more rigid structure than the first sidewall, the second sidewall, and the top wall;
• forming a bottom wall, wherein the bottom wall comprises an outer layer, and wherein the bottom wall is secured to the first sidewall and the second sidewall by wrapping a fabric forming the first sidewall and the second sidewall over sections of the outer layer, wherein the bottom wall comprises a second layered structure formed of a first foam material positioned on the outer layer, and wherein the bottom wall is more rigid than the first sidewall, the second sidewall, and the top wall, and wherein the endcaps are positioned over the outer layer of the bottom wall;
• forming a closure positioned on the top wall and configured to move from an open position to a closed position;
• and
• forming a pair of straps.

A bag comprising:

• a first sidewall, a second sidewall, a top wall, and a bottom wall,
• wherein the bottom wall comprises an outer layer, and wherein the bottom wall is secured to the first sidewall and the second sidewall by wrapping a fabric forming the first sidewall and the second sidewall over sections of the outer layer;
• a closure;
• and
• a pair of straps,
• wherein the first sidewall and the second sidewall comprise endcaps having a first layered structure, wherein the first layered structure comprises a compression molded outer layer and an additional structural layer formed of a first foam material, wherein the endcaps are positioned over the outer layer of the bottom wall, and wherein the endcaps are more rigid than the first sidewall, the second sidewall, and the top wall, wherein a first endcap and a second endcap comprise a rigid structure and maintain a general shape of the bag during use, and wherein the first endcap and the second endcap are compression molded;
• and
• wherein the bottom wall comprises a second layered structure formed of a second foam material positioned on the outer layer, and wherein the bottom wall is more rigid than the first sidewall, the second sidewall, and the top wall.