The phrase “I can’t hold water” is an idiom that means someone can’t keep a secret. If you tell them something confidential, they’ll likely tell others.
• 100% pre-shrunk cotton twill
• Soft crown
• 6 sewn eyelets
• 6 stitched rows on the brim
• 6-panel unstructured cap with a low profile
• Seamed front panel without buckram
• Adjustable hook and loop closure