Thirsties Swim Diaper - Original

Original version. DISCONTINUED. Thirsties (Original) Duo Swim Diaper. Made in USA.  Summer 2025 Thirsties has come out with a new design! See their new, side snapping swim diaper in sizes Small, Medium, Large and XL.  Size 1: 6-18 pounds  (birth to 9 months) SOLD OUT Size 2: 18-35 pounds  (9 - 36 months) SOLD OUT  Size 3: 33-55 pounds - in stock - is on a different page: Size Three Swim Size three of the Original version swim diaper is larger than the new XL size.        • Thirsties swim diaper is a beach or pool ready version of our reliable and popular Duo Wrap diaper cover • Trim cut and soft mesh interior allows baby to swim in comfort and style • Thirsties signature leg gussets help keep dirty messes contained • Hip snaps help prevent wing droop • Waterproof outer shell with soft mesh interior – no absorbency to weight baby down • Available in three sizes to fit most babies to 55 lbs. Find the largest size here • Snap closures offer easy removal and adjustability for custom fit •