Marble STP/Packing Brief Underwear – XL



Take the guesswork out of matching your STP and packers with underwear.  We’ve designed these STP/Packing underwear to mix and match with ease.

Based on traditional men’s sizing, these cotton underwear are have a unique 3 layer front pocket to securely hold your STP/soft packer in place.

NOTE: Recommended with 2-4″ STP/Packer Shafts, not suitable for larger shafts. 

1. Interior pocket: Split interior pocket allows you to easily tuck in your STP/packer.
2. Center panel:  O-opening to pull shaft through and keep your STP/packer from turning.
3. Exterior pocket: The contour pouch exterior has a deep pocket to tuck the shaft giving a natural hang. The open front gives you access when nature calls.

For Plus Size Packers (Click Here)


    – 95% cotton, 5% spandex.
    – Machine wash cold, tumble dry low.
    – Note: O-ring is not included in underwear.


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