Skip to main content
BRIEF INSANITY Big Fish Size Matters Pajama Lounge Pants
BRIEF INSANITY Big Fish Size Matters Pajama Lounge Pants
Waist down photo of model wearing Big Fish Size Matters pajama lounge pants front view (white background)
Waist down photo of model wearing Big Fish Size Matters pajama lounge pants front view (white background)
Waist down photo of model wearing Big Fish Size Matters pajama lounge pants side view (white background)
Waist down photo of model wearing Big Fish Size Matters pajama lounge pants side view (white background)
Waist down photo of model wearing Big Fish Size Matters pajama lounge pants back view (white background)
Waist down photo of model wearing Big Fish Size Matters pajama lounge pants back view (white background)
Close up of "Size Is All That Matters!" text on pajama lounge pants
Close up of "Size Is All That Matters!" text on pajama lounge pants
Brief Insanity Unisex Pants Size Chart
Brief Insanity Unisex Pants Size Chart
BRIEF INSANITY Big Fish Size Matters Pajama Lounge Pants
Waist down photo of model wearing Big Fish Size Matters pajama lounge pants front view (white background)
Waist down photo of model wearing Big Fish Size Matters pajama lounge pants side view (white background)
Waist down photo of model wearing Big Fish Size Matters pajama lounge pants back view (white background)
Close up of "Size Is All That Matters!" text on pajama lounge pants
Brief Insanity Unisex Pants Size Chart
BRIEF INSANITY Big Fish Size Matters Pajama Lounge Pants
Waist down photo of model wearing Big Fish Size Matters pajama lounge pants front view (white background)
Waist down photo of model wearing Big Fish Size Matters pajama lounge pants side view (white background)
Waist down photo of model wearing Big Fish Size Matters pajama lounge pants back view (white background)
Close up of "Size Is All That Matters!" text on pajama lounge pants
Brief Insanity Unisex Pants Size Chart
BRIEF INSANITY Big Fish Size Matters Pajama Lounge Pants
Waist down photo of model wearing Big Fish Size Matters pajama lounge pants front view (white background)
Waist down photo of model wearing Big Fish Size Matters pajama lounge pants side view (white background)
Waist down photo of model wearing Big Fish Size Matters pajama lounge pants back view (white background)
Close up of "Size Is All That Matters!" text on pajama lounge pants
Brief Insanity Unisex Pants Size Chart

Big Fish Size Matters Lounge Pants

$ 27.99
Pants & Shirts Sold Separately
  • Small
  • Medium
  • Large
  • X-Large
  • XX-Large

Looking for a comical and hilarious pair of pajama pants to wear? The Big Fish Size Matters lounge pants by Brief Insanity would be perfect for you!  A great gift for anyone who enjoys fishing, hunting, the great outdoors, and of course - humorous jokes! 


The innovative material used to create this product is a specialized polyester blend that mimics the temperature of your body. The light-weight and breathable material provides all-day comfort while wearing.