Patent ID: 6874337
Filing Date: 2005-04-05
Classification: A41B,A41D

Abstract:
1. An underpant garment worn in a state of being substantially in close contact with a surface of a lower body of a wearer, the underpant garment comprising a main constituent portion made of stretchable materials that include a first-type material and a second-type material, the first-type material having a straining force greater than a straining force of the second-type material, wherein the first-type material is arranged in regions such that in each region the first-type material covers at least a region including a part of musculus gluteus maximus, a part of musculus gluteus medius, a part of musculus tensor faciae latae, and a part of tractus iliotibialis, and the second-type material is arranged in regions other than the region where the first-type material is arranged, wherein an extension ratio under a load of 4.9 N (500 gf) of a 5 cm-wide piece of the first-type material is in a range of not less than 20% and less than 50%, while that of a 5 cm-wide piece of the second-type material is in a range of not less than 50%.