With 100 collegians residing in Busan, a shoes wearing survey was held. Out of the subjects, 50 women collegians showing some interest in fashion sneakers were chosen to reveal the effects of shoes size changes on walking patterns and wearing sense. This study focused on the fitness of sneakers produced the following results: 1. Survey Results of Shoes Wearing The subjects had some room in wearing sneakers or athletic shoes, including $20{sim}30mm$ (33%). Just 25% of the subjects reported about the experience of falling, and 67.6% had difficulty walking on downhills. 50% felt feet fatigue difference when wearing fitting and unfitting shoes. 2. Analysis of Walking Patterns & Survey Results of Wearing Sense No significance was found among shoes sizes in left and right step angles. Step width measurement revealed no significance among shoes sizes. Significance ($p{le}.05$) existed among shoes sizes in steps and strides. Significance ($p{le}.001$) was noticed among shoes sizes in wearing sense.