The writer purchased for this brief review.

Overall Rating9.6/10

  • Daily Fit: 10/10
  • Sizing: 9/10
  • Construction: 10/10
  • Styling: 9/10
  • Daily Performance: 10/10


  • Luxurious Modal Fabric
  • Masculine Color Scheme
  • Full Back Coverage


  • Limited Availability
  • Nonstandard Size Range

Osgon’s Recommendation:  Buy! 

Taking its color cues from the BDSM community, Timoteo’s Liquid Shadow brief pays homage to Cellblock 13’s Leather/Levi/Rubber history by emphasizing blue highlights on a black brief, white piping detail, and a rubberized Cellblock 13 moniker on top of a plush waistband.  The garment’s top note also features a red “13” (possibly in place of the more “traditional” red heart).

A 93% modal and 7% elastane fabric provides the garment with a soft hand as well as ample support and stretch where needed.  If a finer fabric for underwear exists, this reviewer hasn’t yet found it.

The brief moved comfortably all day without sagging or necessitating readjustment.  It employs true full coverage of the backside Elastic leg openings held securely without binding or pinching at any time.  The supportive front provides that “Goldilocks pouch” – not too big, not too small, but “just right” in terms of depth & stretch.

Previous Timoteo (and Cellblock 13) purchases have proven great long-term investments.  I expect the Liquid Shadow brief to perform similarly well for years to come.

Nevertheless, be careful when sizing.  Timoteo’s size chart runs small:  Small (28”-30”), Medium (31-32”), Large (33”-34”), XL (35”-36”).

The Liquid Shadow brief retails for $28 from various retailers, including Boxer & Brief.Com (a bricks-and-mortar establishment headquartered in Raleigh, NC).


The Liquid Shadow line includes a similarly styled trunk, jock brief, and jock strap.  Other color options include dark gray and red.


Osgon is a certified fitness instructor living in the Dallas, Texas, area.

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