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Adult Grinch™ Flannel Pajamas

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Even the grumpiest of Grinches can get into the Christmas spirit with this very merry pajama set. The set includes an ultra-soft flannel button-up top and elastic waistband bottoms so the whole family can match on Christmas day for cozy, picture-perfect moments.


  • Made of 100% polyester flannel; polyester resists wrinkles and is easy to care for.
  • Flannel is a loosely woven fabric and is known for its softness and warmth.
  • Top is button up and bottom have an elastic waistband.


  • Pottery Barn Kids exclusive.
  • Available in small, medium, large and extra large.
  • Meets all children's sleepwear requirements and is non-flammable.
  • Machine wash.
  • Imported.


Unisex Size:
  • XS: Chest 34"-36"; Waist 27"-28"; Hip: 36"-37"
  • S: Chest 36"-38"; Waist 28"-31"; Hip: 37"-40"
  • M: Chest 38"-41"; Waist 31"-34"; Hip: 40"-43"
  • L: Chest 41"-45"; Waist 34"-38"; Hip: 43"-46"
  • XL: Chest 45"-49"; Waist 42"-46"; Hip: 50"-52"


  • Pajama Top
  • Pajama Bottoms


  • Personalization is available on up to nine characters for an additional cost.

™ & © Dr. Seuss Enterprises, L.P. All Rights Reserved.

Dimensions & Care


  • Front (from top of shoulder): 28.25" long
  • Shoulder to shoulder: 16.5" wide
  • Bust (at armhole): 42.5"
  • Sleeve length (from back of neck): 24" long
  • Pant (waist relaxed): 27.5" circumference
  • Pant (waist extended): 40" circumference
  • Inseam: 30"
  • Outseam: 40.25"
  • Front (from top of shoulder): 28.5" long
  • Shoulder to shoulder: 16.75" wide
  • Bust (at armhole): 44"
  • Sleeve (from shoulder): 24.1" long
  • Pant (waist relaxed): 29" circumference
  • Pant (waist extended): 41.5" circumference
  • Inseam: 30"
  • Outseam: 40.5"
  • Front (from top of shoulder): 29" long
  • Shoulder to shoulder: 17.5" wide
  • Bust (at armhole): 47"
  • Sleeve (from shoulder): 24.4" long
  • Pant (waist relaxed): 32" circumference
  • Pant (waist extended): 44.5" circumference
  • Inseam: 30"
  • Outseam: 41.5"
  • Front (from top of shoulder): 29.5" long
  • Shoulder to shoulder: 18.25" wide
  • Bust (at armhole): 50"
  • Sleeve length (from back of neck): 24.6" long
  • Pant (waist relaxed): 35" circumference
  • Pant (waist extended): 47.5" circumference
  • Inseam: 30"
  • Outseam: 42"
  • Front (from top of shoulder): 30" long
  • Shoulder to shoulder: 19" wide
  • Bust (at armhole): 54"
  • Sleeve length (from back of neck): 24.9" long
  • Pant (waist relaxed): 38" circumference
  • Pant (waist extended): 51.5" circumference
  • Inseam: 30"
  • Outseam: 43"


  • Machine wash in cold water; gentle cycle.
  • Use detergent only; do not use soap.
  • Buildup of soap can affect fabric flammability.
  • Use only non-chlorine bleach, if needed.
  • Tumble dry on low heat; remove promptly.
  • Warm iron as needed on lowest setting.
Shipping & Returns


Standard UPS can deliver most in-stock items within 3-5 business days.


  • Available within the contiguous 48 states
  • An extra charge of $26 per address. 
  • Order by 6pm PT Monday through Friday, you'll receive your order the next business day
  • Orders placed on Friday after 6pm PT through Sunday will arrive on Tuesday.
  • Monogrammed items take additional days for delivery.  A delivery estimate will be quoted on your Payment & Review page.


Select oversized items have an additional delivery and processing surcharge; this charge is listed below the item price.

View our complete Shipping and Delivery.


Eligible items can be returned for a refund of the merchandise value within 30 days of receiving an order or 7 days for Quick Ship upholstery items. An original receipt or gift receipt is required.


  • Stores - You can return most non-furniture items to your local Pottery Barn Kids store for free.
  • By Phone - For non-custom furniture and other oversized items, call Customer Service at 1-800-993-4923
  • By UPS - print a return label from our Returns Policy page and bring to a UPS location.


Delivery fees are non-refundable and prior purchases are not eligible for a price adjustment.

  • Monogrammed/Personalized items
  • Made to Order items, including custom rugs and furniture
  • Mattresses
  • Gift cards
  • Final sale items (with prices ending in $.X7 or $.X9)
  • Items damaged through normal wear and tear


For assistance please contact Customer Service at 1.888.922.4119, 7 days a week, 5:00 am - 9:00 pm (PST). We cannot accept returns on final-sale items ending in .99, monogrammed items or items damaged through normal wear and tear. Made-to-Order furniture or rugs are not eligible for returns. Delivery fees are non-refundable.


View our complete Returns Policy.

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