Bamboo Rayon Breathable Trunks 6 Pack

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23 reviews
Size: S
Color: Black Iris/Stretch Limo/Castlerock
  • Fabric: 95% viscose fiber (bamboo rayon) + 5% spandex
  • !! Due to the frequent upgrading of fabrics, the ratio of ingredients is for reference only. !!
  • Soft and breathable, natural and comfortable.
  • 3D space increased with Pouch design extension, will provide better wrapping, solve the problems caused by oppression, displacement, and crotch jamming, enjoy ultra freedom.
  • Innovative sewing technology is adopted to make the internal suture more fluffy, reduce stitching and solve the pressure caused by friction.
  • Free from pressure and tightness by using the high elastic soft waistband.
  • It extends to 3.5 inches, which is not easy to ride up, fits the human body curve more, and prevents thigh friction.
Size: S
Color: Black Iris/Stretch Limo/Castlerock

Product information

We Want You to Experience A New Level of Comfort with Separatec.

If you are unhappy for any reason, we ask that you allow us to make things right. Please email our satisfaction guarantee customer service center at regarding any issues with your purchase.

Exchange/refunds for first order:

  • We will refund or replace your first pack without question within the first 30 days of purchase, shipping charges are not included.
  • For this reason, we recommend only ordering a pack for your first time trying our products to see if Separatec is right for you.
  • Beyond your first trial pack, we can only exchange any unopened items for a refund or replacement.

Exchange/refunds for other orders:

  • If you have tried a pack from your order and have decided to return the remaining unopened items for a refund, we will refund you the amount paid in full minus the cost of shipping once the unopened items have been received and inspected. Shipping rates will be determined by location.
  •  If you want to exchange the unopened items, we will reship you a new product once the unopened items have been received and inspected. Shipping rates will be determined by location.

( Reminder: If you purchased shipping insurance can enjoy a free reship. )


How to activate the Satisfaction Guarantee?

If you wish to activate the Satisfaction Guarantee, we require that you contact us before sending anything back. Please e-mail with the following details:

  • Your order number
  • Email address

This information is important to help us verify that the purchase was made from and will be used solely to verify that the request is eligible under the program.


Please be advised:

  • Satisfaction Guarantee only applies to purchases made through within 30 days.
  • All items must be unworn, unwashed, and in original packaging.
  • All shipping costs, duties/import taxes and any other associate fees such as exchange and transaction fees, on the original purchase, including fees incurred for returns, are not refundable.
  • Special offers are non-refundable, non-exchangeable, and cannot be used with the satisfaction guarantee.


Separatec reserves the right to reject a return and decline to refund, subject to applicable law, under the following circumstances:

  • That the items received were not in their original condition/packaging.
  • That the items received were received without proper or secure transportation packaging.
  • That you returned products that you were not entitled to return.
  • That items were missing from the return.
  • That you did not follow the return instructions.


Orders canceling:

We accept order cancellations before the product is shipped. If the order is canceled you will get a full refund including shipping charges.


If you have any questions don't hesitate to get in touch with us at

Gentle cycle with cold water in machine wash/ Hand wash.

Customer Reviews

Based on 23 reviews
Very nice

Good cradle for the boys

Just A.P.
Bamboo Trunks (6 pack)

One of the best investments I have made regarding underwear. Seperatec creates strong products with reviews that do not even begin to do it justice. If I could give this purchase 10 stars, I would! Highly recommend to anyone who is looking for a great fit, with awesome support for your package. I purchased the product coming in with average expectations, but my expectations were in fact beyond exceeded. Thank you for what you do Seperatec!

Chris C.

Great fit very comfortable !

Keith C.
Great trunks!

These are the most comfortable underwear I’ve ever worn! I highly recommend them. The bamboo rayon fabric is soft and breathable. (I haven’t tried other fabrics yet but be sure to order a size smaller than normal. I normally wear a medium but I had to get a small for a good fit.)

Jarosław S.
I like it

Good quality. Though I think they could get rid of the sim in the balls pouch. I is not that I feel it, but in my opinion it would look better

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