JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://io.vtex.com.br/front-libs/bootstrap/2.3.2/css/bootstrap.min.css">
<form id="form">
    
    <select>
        <option value="tutto-moto" class="campo">Tutto</option>
    </select>
   
    <select>
        <option value="Acessorio" class="campo">Tutto</option>
    </select>
    
    <select>
        <option value="produto" class="campo">Iphone+4s</option>
    </select>
    
</form>

<button type="button" id="send" class="btn">Buscar</button>
<div id="link"></div>

JavaScript

var host = "http://www.rs1.com.br/";
$(document).ready(function(){
    $('#send').click(function(){
        var variables = '';
        $('#form select').find('.campo').each(function(){
        variables += $(this).attr('value')+'/';
        });
        //variables = variables.substring(0,variables.length-1);
        var destination = host + variables;
        $('#link').html(destination)
        //window.open(destination);
    
    });

});