{if isset($features) && $features}
    {foreach from=$features item=feature}
        {if isset($feature.value)}
            {if $feature.name == 'Длина'}
                {assign var='length' value=$feature.value}
            {elseif $feature.name == 'Ширина'}
                {assign var='width' value=$feature.value}
            {elseif $feature.name == 'Высота'}
                {assign var='height' value=$feature.value}
            {/if}
        {/if}
    {/foreach}
{/if}

{if isset($length) || isset($width) || isset($height)}
    Габариты: {$length|escape:'html':'UTF-8'|default:''}/{$width|escape:'html':'UTF-8'|default:''}/{$height|escape:'html':'UTF-8'|default:''}
{/if}