Justin, this model does not have a thumb safety. Model 13223 has the thumb safety, currently out of stock. budsgunshop.com/product_info.php/products_id/125622/smith+%26+wesson+13223+m%26p+9+shield+ez+performance+center+9mm+383+8%2b1+ .......smith-wesson.com/product/mp-shield-ez?sku=13223

Justin, this model does not Sir. The Model 12223 does have the Manual Safety and can be found in stock here : https://gun.deals/search/apachesolr_search/022188883879

smith-wesson.com/search/node/13224

Model 13224 (this one) does not have a manual thumb safety, but does have the 1911 style grip safety.
smith-wesson.com/product/mp-shield-ez
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That link just takes you to the Shield EZ page on the SW website, hit the "Configure button" under the picture on the left and select "no state restrictions" "9mm" "No thumb safety" "Black" and it gives you this model number