Cotton Shirts on Sale

This George button-up shirt is on clearance for a savings of $2. It's made from a cotton-spandex blend and offers a classic fit with short sleeves for warm-weather wear, and available in xDark Navy Geo Print at this price, or other colors for cents more. Opt for store pickup to avoid the $7 shipping fee.  Buy Now at Walmart

Waffle-knit polo shirts tend to run warmer and have more texture than a standard pique polo, making this a reasonable pick if you want something that works as a casual layering piece. At $15, that's 85% off the $100 list price via code "CTN15" for two. Deal ends August 15.  Buy Now at LoomBasics

This Patagonia Responsibili-Tee is $26.99, down from $55. It's made from a 50/50 blend of recycled cotton and recycled polyester and produced in a Fair Trade Certified factory. Buy Now at Patagonia

Linen polos are a reasonable warm-weather option if you want something breathable that reads a bit more put-together than a standard cotton tee. Apply coupon code "CTX17" for a savings of $56. Shipping adds $9. Buy Now at LoomBasics

This long-sleeve cotton button-up works well as a casual layering piece or a low-stakes everyday shirt you don't have to worry about. Add two shirts to cart and apply coupon code "CPX12" for a savings of $86. Shipping adds $18. Buy Now at LoomBasics

lululemon's men's polo shirt selection includes styles like the Evolution Short-Sleeve Polo Shirt for $59, down from $88, and the UV-Protective Relaxed-Fit Golf Polo Shirt for $44, down from $88. The lineup spans golf, tennis, and rugby-inspired polos in cotton pique, quick-dry, and technical fabrics. Plus, get free shipping on all orders. Shop Now at lululemon

A lightweight linen button-down at $10 works well as a casual warm-weather layer or beach cover-up. Apply coupon code "V5GOONWJ" for a savings of $10. It's available in several colors (Green pictured). Buy Now at Amazon

This shirt is a straightforward wardrobe staple you can dress up or keep casual depending on the occasion. Add two to your cart and apply coupon code "CPX12" for a savings of $88. Shipping adds $18. Buy Now at LoomBasics

With promo code "SHOP40" at checkout, this Sonoma Goods For Life button-down drops to $6.29, down from its $34.99 regular price at Kohl's. The shirt is made from a cotton-spandex blend for stretch and machine washes for easy care. Buy Now at Kohl's

This Sonoma Goods for Life polo drops to $4.49 with promo code "SHOP40" at Kohl's, down from $24.99. It's made from a cotton-polyester blend and features a vented hemline for a classic polo fit. Buy Now at Kohl's

Use promo code "SHOP40" at Kohl's to get this Sonoma Goods For Life flannel shirt for $4.49, down from its $29.99 regular price. The soft cotton flannel comes with a classic button-front design and two chest pockets. Plus, shipping is free on orders of $49 or more, or you can opt for pickup where available to get your items sooner Buy Now at Kohl's

This Gauze Vacay Shirt is discounted to $10 at Gap Factory. To get this price, add it to cart, proceed to checkout, and apply coupon code "GFFRIEND".  down from $59.99. It's made from 100% cotton in a boxy, relaxed fit with elbow-length sleeves and a button front. Even better, free shipping applies. Deal ends August 20 or while supplies last.  Buy Now at Gap Factory

Layering season makes this an easy pick, especially for anyone who wants a soft cotton flannel without babying a wool one. Apply coupon code "8XI7SEEJ" for a savings of $13. Buy Now at Amazon

Three shirts for $19 works out to about $6 each, which is well below what you'd typically pay for a single cotton-linen shirt anywhere else. Apply coupon code "CTM19" for a savings of $47. Deal ends August 15.  Buy Now at LoomBasics

This Jos. A. Bank sport shirt is on clearance for $14.99, down from $49.50. The linen-cotton blend offers a lightweight option in a tailored fit for warmer weather. Orders of $50 or more ship free. Ends July 29. Buy Now at Jos. A. Bank

With promo code "GOSAVE40" at checkout, this Sonoma Goods for Life pique polo drops to $9 from its $15 regular price at Kohl's. The shirt is made from a lightweight cotton-polyester pique fabric and uses cotton grown through more sustainable farming practices. Buy Now at Kohl's

Thin, breathable cotton-linen polos work well as warm-weather staples, and a 2-pack at $9 is 89% off the $80 list price. Apply coupon code "CMR9" to save. Deal ends August 15.  Buy Now at LoomBasics

Walmart offers the Netflix Stranger Things Men's Hellfire Club 100% Cotton Shirt for $3.75.  That's an $11 low.  Choose pickup or spend $35 to avoid the $6.99 shipping charge. Buy Now at Walmart

Lightweight cotton-linen blend shirts like this one work well for warm weather or travel, where breathability matters more than structure. At $12, that's $74 off the $86 list price, an 86% discount from LoomBasics. Apply coupon code "CSX12" to get the deal. Buy Now at LoomBasics