Sunday Duck Canvas BMX Seat - Pivotal TanSunday Duck Canvas BMX Seat Pivotal Tan. The team at Sunday did not cry fowl when riders kept requesting this seat to return. It was definitely a fan favorite. They got up at the quack of dawn and made an easy decision bringing back the popular Duck Canvas seats into the line! Duck canvas material Sunday woven label on the back 3 panel canvas construction TECH SPECS Clamp Style Pivotal Color Tan Defined Color Tan Material Canvas Saddle Cut Out No