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Thule Sleek Sibling Seat in ALL COLORS
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See all 5 styles of the Thule Sleek Sibling Seat below for your shopping convenience! back to product page
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About the Thule Sleek Sibling Seat (available in 5 colors)

The comfortable and spacious Thule Sleek Sibling Seat transforms your Thule Sleek into a double stroller!


  • Ventilated canopy with peekaboo window and extendable sun visor gives your child a pleasant ride in any weather and provides UV protection (UPF 50+)
  • Comfortable large seating area, with generous sitting height and footwell
  • Reversible seat for parent- or forward-facing position
  • Reclining seat in three positions for great comfort in both sleeping, resting, and upright position
  • Bumper bar that rotates to the side for easy seating of your child

Accessories included:

  • Thule Sleek Rain Cover
  • Thule Sleek Lower Adapter
  • Thule Sleek Upper Adapter


The Thule Sleek Sibling Seat holds one child up to 33lbs. 

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