_product_fields.html.haml

.clear.sizes
  - @product.grouped_attributes.each do |attribute,upcs|
    = attribute.name
    %br
    %ul.sizes.details
      - attribute.cached_size_values.each do |size|
        - if upc = upcs.detect {|u| u.size == size}
          %li
            = check_box_tag "post[upc_id]", storefront_update_sellers_list_path(upc.id), false, :class => "post_upc_class", :id => upc.id
            %a{:href => "#", :class => "chk-select"}
              %span{:class => "color" }
                = upc.size_name
            %a{:href => "#", :class => "chk-deselect"}
              %span{:class => " color" }
                = upc.size_name
        - else
          %li
            %span{:class => "empty color" }
              =size.name