Try our app, you can find men's clothing our Marketplace with US based suppliers.
Just now i came across your post ,i would like to suggest Appfreaker app .In our you can go with suppliers( Etsy ,Dhgate, amazon)related to men's apparel .Once checkout and import products directly to your store .
We also having epacket shipping filter which helps to import fast.
We provide "Auto Sync" feature by which the price of products changes on shopify store, as the price changes on the supplier sites.
Ship with your own logo, branding also available in our app.