Alimens & Gentle Men's Dress Shirts, starting at $9.39 on Amazon

Amazon has got these Alimens & Gentle Design Solid Color Regular Fit Long Sleeve Dress Shirts priced from $9.39 - $17.99 with free Prime shipping, depending on color and size ( and free returns on the shirts shipped with Prime).  They come in 25 colors/patterns and 16 sizes.  They got 4.2 out of 5 stars over 22 customer reviews.

• 65% cotton + 35% polyester
• Imported
• Basic design regular fit men's shirt
• With pocket single cuff suitable for all occasions
• Machine washable wash separately or with similar colors in cold water
• Regular fit dress shirts have fuller sleeves, relaxed arm holes, and a generous cut through the chest and waist.
• Notice: please check sizing info to ensure your size prior to ordering.

If you prefer other styles in men's dress shirts (French cuff, Oxford, short-sleeve, all-cotton, etc.) check out the alternatives here.