The study is to develop and present a leggings pattern that is suitable for the human body by using a standard body type avatar for a female in her 30s. As a research method, the average body type was selected from adult women in their 30s, and the appearance was evaluated using the CLO software program. The data analysis of this study compared the dimensions and shape of each part by legging. The leggings pattern suggested based on the above research results was determine to be a total length of 80.6㎝ and hip length of 24㎝, and the knee length was set by dividing the legging in half from the waist to the hem and then adding 5㎝. These figures were evaluated higher than Company D in terms of the adequacy of the upper part of the front and rear plates of Company A as well as the adequacy of the knee lines. Company A's figures were applied and corrected. For the front plate, the waist circumference was divided by 4, and 3.5㎝ was removed, and the hip circumference was set by dividing the hip circumference by 4, and 3.8㎝ was removed. In the appearance evaluation results Company D was highly evaluated in the suitability evaluation of the waist and hips, and the waist and hips were set using the pattern of Company D. The length of the front panel was modified by dividing the hip circumference by 4 and adding 1.8 ㎝ to the length, and the length of the back panel was modified by dividing the hip circumference by 3 and adding 8㎝ after dividing the hip circumference by 0.8㎝.