Cotton Shirts on Sale

This Amazon Essentials linen shirt is $9.99, down from its $29.90 reference price at Woot. The shirt is made from a 55% linen, 45% cotton blend and comes in five colors. Woot's Debut Deals section also includes the Amazon Essentials Athletic-Fit Stretch Jean at $9.99, down from $27.90, and an 8-pack of Energizer MAX D batteries at $4.99, down from $16.99. Buy Now at Woot! An Amazon Company

Using promo code "GFCYBER", this Gap Factory crochet polo drops to $13, down from $49.99, via promo code "GFCYBER" and the in cart discount. It's made from 100% cotton in a crochet knit and is machine washable for easy care. Shipping adds $5, or get free shipping on orders over $50, before any additional discounts are applied. Coupon ends July 30 at 2:59 AM ET. Buy Now at Gap Factory

Drazivon's linen button-down is a reasonable pick for warm-weather casual wear if you want a lightweight, breathable shirt without spending much, and at $10 it's 50% off the $20 list price. Apply coupon code "KXIK7FLV " for a savings of $10. Buy Now at Amazon

This relaxed, worn-in style henley works well as a casual everyday layering piece or standalone top. Add two shirts to cart and apply coupon code "CRX19" for a savings of $81. Shipping adds $18. Buy Now at LoomBasics

Macy's offers the Sun + Stone Men's 100% Cotton Corduroy Shirt for $9.96, an 85% savings.  It's available in sizes from S to L.  Star Rewards members get free shipping with orders of $39 or more (it's free to join). Pickup is also available. Buy Now at Macy's

Jos. A. Bank offers the Jos. A. Bank Tailored Fit Ombre Plaid Short Sleeve Sportshirt for $20. That's $29.50 off list and the lowest price we could find. Shipping is free when you join Bank Account Rewards, and it's free to join. Buy Now at Jos. A. Bank

Jos. A. Bank offers the Jos. A. Bank Tailored Fit Engineered Texture Tipped Johnny Polo Shirt for $30. That's $19.50 off list price. Shipping is free when you join Bank Account Rewards, and it's free to join. Buy Now at Jos. A. Bank

Get a great deal on this Oxford Shirt from Gap Factory at around $8, down from $60, with an extra 60% discount applied at checkout, and another 10% off applied via the promo code "GFSTARS". It's in Gen Plaid (pictured) or New Off White Plaid at this price. Shipping adds $5, or get free shipping on orders over $50, before any additional discounts are applied. This deal ends July 6.  Buy Now at Gap Factory

A button-down like this works well for anyone building out a basic work wardrobe without spending much on it. Apply coupon code "1JHM2TL0" for a savings of at least $4. Buy Now at Amazon

Sort by price to see the range of men's polo shirts that lululemon has marked down, with styles like the Ventilated Tennis Polo Shirt and the pictured UV-Protective Relaxed-Fit Golf Polo Shirt down to $44 from their $88 regular price. Other options include quick-dry, cotton pique, and slim-fit polos, most priced between $44 and $69. Get free shipping on all orders. Buy Now at lululemon

Update: The price has dropped to $5.39 since this was originally published.

This Stranger Things button-up shirt is $5.40, down from $16.98 at Walmart. Opt for pickup to avoid the $6.99 shipping charge (or get free shipping with orders of $35 or more).

Buy Now at Walmart

The lululemon We Made Too Much Event includes men's shirts with savings across dozens of styles. The Heavyweight Cotton Jersey T-Shirt drops to $24, down from $68; the Metal Vent Tech Relaxed-Fit Polo Shirt falls to $49, down from $98; and the Long-Sleeve Cotton Rugby Shirt is available from $54, down from $118. We've pictured the Airing Easy Short-Sleeve Shirt for $44 (half off). Plus, any order qualifies for free shipping. Buy Now at lululemon

Two linen popover shirts for $15 works out to about $8 each, which is 83% off the $90 list price for a breathable warm-weather top that suits anyone looking to stock up on lightweight warm-season basics without spending much. Apply coupon code "CSM15" for a savings of $74.99. Buy Now at LoomBasics

A 3-pack of textured button-downs works well if you want casual options that are a step above a plain tee without committing to a full dress shirt, and at $25, that's $105 off the list price for all three. Apply coupon code "CSS25" for a savings of $104.99. Buy Now at LoomBasics

Even though USA has been knocked out of the FIFA World Cup, you can still pickup some slick Perry Ellis polo shirts marked down to $19 from $79. Choose from Argentina, Spain, Mexico, USA, and Brazil Edition polos. Each shirt is made from 100% cotton pique with country-inspired colorways and the brand's signature fit. Shipping is free on orders of $50 for members and it's free to join. Buy Now at Perry Ellis

Linen popover shirts are a reasonable pick for warm-weather wear if you want something breathable and casual without buttons all the way down, and at $18 you're paying about 80% less than the $90 list price. Apply coupon code "CSY18" for a savings of $71.99. Buy Now at LoomBasics

Banana Republic's Summer Sale includes men's casual shirts with an extra 20% off applied at checkout. We've pictured the Banana Republic Men's Linen Resort Shirt for $39.99 in cart ($50 off). Encore members get free shipping on orders of $50 or more, and it's free to sign up. Sale ends July 27. Shop Now at Banana Republic

A three-pack of cotton linen shirts works well for anyone building out a warm-weather wardrobe on a budget, and at $19, that's $81 off the $100 list price. Apply coupon code "CTM19" for a savings of $80.99. Buy Now at LoomBasics

Linen shirts are a reasonable choice for warm-weather wear or travel when you want something breathable and low-maintenance, and at $14 for two, that's $46 off. Apply coupon code "CSS14" to get this price. Shipping adds $9. Buy Now at LoomBasics