Abstract: A garment is provided with a main part which consists of a front body section, a back body section and sleeves extending from front and back body sections toward both arm sides over shoulders, and a pair of first tightening parts separately placed in right and left areas located at the positions of right and left deltoid muscles covering the boundary of the wearer's shoulder and upper arm in the back side, wherein the front and back body sections and the upper arm sections of the sleeves comprise at least two kinds of stretch materials, which differ in stretchability from each other, including a material for the main part and a material for the first tightening parts having a lower stretchability than the main part.