This offer for free Standard shipping is valid in the US only through December 20, 2026, at 11:59 p.m. ET at RalphLauren.com and on The Ralph Lauren App only. This offer is automatically applied at checkout when Standard shipping is selected. No minimum purchase amount is required for this special limited-time offer. Regular charges will apply to all other shipping methods. Applicable sales tax will be added to each order. This offer has no cash value. This offer is not valid on previously purchased merchandise. This offer is not applicable to purchases being shipped internationally. Orders placed before December 23, 2026 at 11:59 p.m. ET will receive a complimentary extended return window valid through January 31, 2027 See our returns policy for details and exclusions.
4D-Flex Max Flex Boxer Brief 3-Pack
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$54.50
$34.99
Item No.642009
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Size:
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XS
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S
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M
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L
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XL
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XXL
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XS
Designed with an ultraflexible waistband that comfortably adjusts to your waist size, the boxer briefs in this three-pack are made from a soft cotton blend with cooling and moisture-wicking properties. Four-way stretch and ribbed side panels allow for maximum flexibility and freedom of movement.
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Product Details
Details- Set comes with three boxer briefs.
- Signature “Polo Ralph Lauren” elasticized waistband.
- Supportive pouch with an open fly.
- Signature embroidered Pony at the left leg.
- 58% cotton, 37% modal, 5% elastane.
- Machine washable.
- Imported.
- Model is 6'1" (185 cm) and wears a size medium.
- Style Number: 642009
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Free Shipping And Returns
Enjoy Free Shipping on All Orders
Free Extended Holiday Returns & Exchanges
Purchases made between October 13 – December 23 are eligible to be returned or exchanged until January 31, 2027.
Items must be unwashed, unworn, and unaltered with the original tags. Personalized items and gift boxes cannot be returned.
Enjoy free shipping on all orders. Details
For delivery by December 24, see our Holiday Delivery Schedule.
In addition to our regular shipping services, we also offer Buy Online, Pick Up in Store; Ship to Store and Same Day Delivery; and UPS Store/UPS Access Point Pickup for your convenience.
Add our luxurious navy box with signature gold foil lettering and red ribbon with a personalized message at checkout.
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Product Reviews
4D-Flex Max Flex Boxer Brief 3-Pack is rated out of 5 by 8.Rated 5 out of 5 by Marco Z from Perfect Perfect fit and comfort. Recommend every time.Date published: 2025-12-27Rated 1 out of 5 by Ron from Underwear Elastic band around the waist is too wide and too tight.Date published: 2024-09-17Rated 5 out of 5 by Cmendoza7139 from Love them Perfect fit and great quality. Love the way they lookDate published: 2024-01-20Rated 5 out of 5 by Cmendoza7139 from Love them Perfect fit and great quality. Very comfortable and they look greatDate published: 2024-01-20Rated 5 out of 5 by Manny from Fantastic products Great quality and craftsmanship that we come to expect from Ralph Lauren (Just one little minor detail with my experience/experiences. I had to order a size down instead of a large I had to go with a medium nowadays.)Date published: 2023-12-13Rated 5 out of 5 by Leviofbertie from Comfortable 4D max flex is the best cotton boxer around. They comfortable like that performance but thicker material. Best boxer brief for the coldDate published: 2023-11-28
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