classic trunk fly
YOUR EVERYDAY FAVORITE
Everything you love in our Classic Underwear in a 3.5" Trunk, featuring an ultra-soft, breathable, lightweight TENCEL™ Modal fabric that is sustainably sourced, guaranteed to stay smooth and keep you comfortably supported at all times. Our MyPakage Pouch Technology™ keeps you supported and separated, eliminating the need to shift or adjust.
TENCEL™ is a trademark of Lenzing AG
- Slim fit with a fly
- 3.5" inseam (the shorter of our two lengths)
- MyPakage Pouch Technology™
- Pucker Panel™ gusset helps our pouch do its job, allowing the underwear to contour around your body
- Carefully placed flatlock seams means no chafing in your most sensitive areas
- Luxury 1 3/8" no-roll waistband
- 95% TENCEL™ Modal + 5% Spandex
- 190 GSM fabric weight
THE BEST, FIRST THING YOU PUT ON EACH DAY OR YOUR MONEY BACK
It's simple: If you don’t like 'em, return 'em, and get your money back. On-sale items are final sale and cannot be returned or exchanged.
How it works: Our promise is that you will love your experience wearing BN3TH. Purchase a pair and try them out. If you feel they do not satisfy your expectations, fill out our Returns and Exchanges Form and we'll put it right. Return requests must be made within 30 days of purchasing the product. Once the product is returned, we will refund 100% of your order and outbound shipping costs. Returns are only applicable to products purchased on BN3TH.com online store.
What our customers say: BN3TH customers have given our product a 4.7/5* rating on average - that's a lot of love!
Standard Shipping is free for all orders at or over $90 (before taxes and after discounts). Any applicable shipping fees will be calculated based on your ship-to location and chosen delivery method.
All available shipping options will be visible at checkout. For more information, check out our Frequently Asked Questions page.