This offer is valid in the US only from 3:15 a.m. PT on May 21, 2026, to 11:59 p.m. PT on May 25, 2026, and is valid on select sale styles, as marked, at RalphLauren.com, on The Ralph Lauren App, and in full-price Ralph Lauren retail stores. This offer is not valid at Polo Ralph Lauren Factory Stores. This offer is not valid on Collection merchandise, Double RL merchandise, eyewear, fragrance, gift cards, limited-edition collections, new arrivals, philanthropic merchandise, previously purchased merchandise, Purple Label merchandise, Ralph Lauren luxury accessories and footwear, select customizable merchandise, select home merchandise, or watches and fine jewelry. This offer has no cash value. This offer can only be combined with applicable offers for free shipping. This offer is not applicable to purchases being shipped internationally. For Customer Assistance, please call 888-475-7674.
4D-Flex Cotton Modal Boxer Brief 3-Pack
Added to Wishlist
Sign in to create lists and save your items for longer than 30 days
Sign in / registerPolo Ralph Lauren
$54.50
Item No.512913
-
Size:
-
S
Unavailable
We can notify you if this product becomes available, or shop similar items available now -
M
Unavailable
We can notify you if this product becomes available, or shop similar items available now -
L
Unavailable
We can notify you if this product becomes available, or shop similar items available now -
XL
Unavailable
We can notify you if this product becomes available, or shop similar items available now -
XXL
Unavailable
We can notify you if this product becomes available, or shop similar items available now
-
S
Same Day Delivery
Select a size to view eligibility to
43215
PDP sameday tooltip
Same Day Delivery is available in select locations. Orders placed before 2:00 PM local time will be delivered the same day. Please select Same Day Delivery during checkout. You will receive an email from us once your order is on its way.
4D-Flex Cotton Modal Boxer Brief 3-Pack
$54.50
Pay in 4 payments of
XX.XX.
Learn More
4 interest-free payments of 00.00
Buy what you love and split the cost. It’s easy and interest-free.
- Add items(s) to your cart
- Go to checkout and choose
- Enter your debit or credit card information
- Your first payment is taken when the order is processed and the remaining 3 are automatically taken every two weeks
Shop now. Pay later.
Always interest-free.
Add your favorites to cart
Select $Afterpay at checkout
Log into or create your $Afterpay account, instant approval decision
Your purchase will be split into 4 payments, payable every 2 weeks
You must be over 18, a resident of the U.S., and meet additional eligibility criteria to qualify. Late fees may apply.
Estimated payment amounts shown on product pages exclude taxes and shipping charges, which are added at checkout. Click here for complete terms.
Loans to California residents made or arranged pursuant to a California Finance Lenders Law license.
@2022 $Afterpay
Designed for optimal comfort, the boxer briefs in this three-pack are made from an ultrasoft cotton-and-modal blend with four-way stretch for ease of movement. Each pair features a supportive pouch with an open fly and moisture-wicking properties to keep you dry and cool.
-
Product Details
Details- Set comes with three boxer briefs.
- 2" elastic waistband with signature “Polo Ralph Lauren” logo.
- Supportive pouch fly and gusset.
- 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: 512913
-
Shipping and Returns
Free Shipping With an RL AccountEnjoy free returns and exchanges within 30 days of the order shipment date. Items must be unwashed, unworn, and unaltered with the original tags. Personalized items and gift boxes cannot be returned.
Ralph Lauren Account members receive free shipping Sign In / Join (Details)
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 with a personalized message at checkout.
-
Product Reviews
4D-Flex Cotton Modal Boxer Brief 3-Pack is rated out of 5 by 68.Rated 3 out of 5 by Jim from Revie They are ok. Small large more like a mediumDate published: 2026-01-29Rated 4 out of 5 by Anonymous from 4D-Flex vs Freedom FX Comfortable but not as snug or comfortably cut as the Freedom FX briefs I’ve been buying for 2-3 years. Are Freedom FX briefs no longer available?Date published: 2025-11-30Rated 4 out of 5 by J. Gamble from Nice but no pouch These are nice underwear, but I have to take a star off because the description is misleading. The description says that there’s a pouch but there is no pouch. These are just regular boxer briefs.Date published: 2025-10-12Rated 5 out of 5 by G B from Yes Recommended. Excellent fit. Comfortable and flex.Date published: 2025-08-15Rated 5 out of 5 by Compa Fabi from Perfect Boxers Good quality material and fit perfect.Date published: 2025-07-23Rated 5 out of 5 by Anonymous from Boxer briefs 4-D boxer briefs came with an iron ones horse versus the embroidered one …! KoolDate published: 2024-12-14
Style It With
My Style
Personalize Your Experience
Curate your preferences for a unique shopping experience based on your personal taste
