This shoes can wear every day,not only in summer but also in winter.you can press the blue button on the right in winter and pressthe red button near by the blue button in the summer.The shoes are not creat stink and can keep good smell.It can wear at least one year,it has many species and if you wear this kind of shoes,you will fell comfortable and relax,you can wear it to do everything which you like.Of course,it has the function of rain shoes.At last,the picture on it can designed by yourselve if you like.If there are any problem you call my company's phone or send e-mail to us.