Footed pajamas, onsies and union suits that have a rear drop seat, or butt flap.   Since 2005, Big Feet Pajama Co. has offered a drop-seat option on all adult footed onesie pajamas.
Flannel Adult Footed Pajamas in Red and Black Plaid Onesie for Men & Women

Flannel Adult Footed Pajamas in Red and Black Plaid Onesie for Men & Women

$65.99$43.98
Jersey Knit Adult Footed Pajamas in Turquoise

Jersey Knit Adult Footed Pajamas in Turquoise

$65.99$42.98
Jersey Knit Adult Footed Pajamas in Purple

Jersey Knit Adult Footed Pajamas in Purple

$65.99$42.98
Jersey Knit Adult Footed Pajamas in Red

Jersey Knit Adult Footed Pajamas in Red

$65.99$42.98
Jersey Knit Adult Footed Pajamas in Pastel Pink

Jersey Knit Adult Footed Pajamas in Pastel Pink

$65.99$42.98
Jersey Knit Adult Footed Pajamas in Heather Gray

Jersey Knit Adult Footed Pajamas in Heather Gray

$65.99$42.98
Jersey Knit Adult Footed Pajamas in Navy Blue Onesies for Men and Women

Jersey Knit Adult Footed Pajamas in Navy Blue Onesies for Men and Women

$65.99$42.98
Chocolate Brown w/ hearts Micro-Polar Fleece Adult Footed Pajamas

Chocolate Brown w/ hearts Micro-Polar Fleece Adult Footed Pajamas

$75.99$49.98
Camouflage Micro-Polar Fleece Adult Footed Pajamas in Green and Brown

Camouflage Micro-Polar Fleece Adult Footed Pajamas in Green and Brown

$75.99$49.98
Pink Camouflage Micro-Polar Fleece Adult Footed Pajamas

Pink Camouflage Micro-Polar Fleece Adult Footed Pajamas

$75.99$49.98
Micro-Polar Fleece Adult Footed Pajamas in Purple

Micro-Polar Fleece Adult Footed Pajamas in Purple

$69.99$46.98
Micro-Polar Fleece Adult Footed Pajamas in Pink

Micro-Polar Fleece Adult Footed Pajamas in Pink

$69.99$46.98
Micro-Polar Fleece Adult Footed Pajamas in Hunter Green

Micro-Polar Fleece Adult Footed Pajamas in Hunter Green

$69.99$46.98
Micro Polar Fleece Adult Footed Onesie Pajamas in Black for Men & Women

Micro Polar Fleece Adult Footed Onesie Pajamas in Black for Men & Women

$69.99$46.98
Micro Polar Fleece Adult Footed Pajamas Onesies in Navy Blue

Micro Polar Fleece Adult Footed Pajamas Onesies in Navy Blue

$69.99$46.98
Micro-Polar Fleece Adult Footed Pajamas in Red

Micro-Polar Fleece Adult Footed Pajamas in Red

$69.99$46.98
Flannel Adult Footed Pajamas in Gray and White

Flannel Adult Footed Pajamas in Gray and White

$65.99$43.98
Flannel Adult Onesie Footed Pajamas in Baby Blue and Pink

Flannel Adult Onesie Footed Pajamas in Baby Blue and Pink

$39.99
Flannel Adult Footed Pajamas in Pink and Yellow

Flannel Adult Footed Pajamas in Pink and Yellow

$65.99$30.99
Flannel Adult Footed Pajamas in Turquoise

Flannel Adult Footed Pajamas in Turquoise

$65.99$43.98
Flannel Adult Green & Lavender Flannel Adult Footed Pajamas

Flannel Adult Green & Lavender Flannel Adult Footed Pajamas

$39.99
Flannel Adult Footed Pajamas in Navy Blue and Green

Flannel Adult Footed Pajamas in Navy Blue and Green

$65.99$43.98
Red and Grey Adult Footed Onesie Pajamas with small Hearts

Red and Grey Adult Footed Onesie Pajamas with small Hearts

$65.99$43.98
Flannel Adult Footed Pajamas in Black and White Plaid

Flannel Adult Footed Pajamas in Black and White Plaid

$65.99$43.98
Plush Adult Footed Pajamas with Hood in Red

Plush Adult Footed Pajamas with Hood in Red

$85.99$54.98
Plush Adult Footed Pajamas with Hood in Pink

Plush Adult Footed Pajamas with Hood in Pink

$85.99$54.98
Plush Adult Hoodie Footed Pajamas Onesies in Blue for Men & Women

Plush Adult Hoodie Footed Pajamas Onesies in Blue for Men & Women

$85.99$54.98
Plush Adult Footed Pajamas with Hood in Leopard Print

Plush Adult Footed Pajamas with Hood in Leopard Print

$89.99$56.98
Red Union Suit with Funny Butt Flap "NO ENTRY" Men & Women Unisex XS - XL

Red Union Suit with Funny Butt Flap "NO ENTRY" Men & Women Unisex XS - XL

$65.99$43.98
Red Union Suit with Funny Butt Flap "DANGER BLASTING AREA" Men & Women Unisex XS - XL

Red Union Suit with Funny Butt Flap "DANGER BLASTING AREA" Men & Women Unisex XS - XL

$65.99$43.98
Red Union Suit with Funny Butt Flap "Wasn't Me" Skunk Men & Women Unisex XS - XL

Red Union Suit with Funny Butt Flap "Wasn't Me" Skunk Men & Women Unisex XS - XL

$65.99$43.98
Winter Fun Christmas Adult Footed Pajamas with Hood

Winter Fun Christmas Adult Footed Pajamas with Hood

$89.99$56.98