Quick answer

Choose the Tree Runner Go if you want a breathable, bouncy sneaker with more cushioning for all-day wear. Pick the Runner NZ Slip On if you prioritize lightweight slip-on convenience and a sleek, low-profile look for casual days.

What sets them apart

The Tree Runner Go is built around an updated foam midsole that delivers a plusher, bouncier feel compared to earlier Allbirds sneakers. Its Tree Knit upper, made from TENCEL™ Lyocell (tree fiber), is designed for breathability, making it a strong choice for warmer weather or active days. The Runner NZ Slip On takes a different approach: it eliminates laces entirely, using a stretchy knit collar for easy on-off wear. Its sole is lighter and less cushioned, which keeps the shoe feeling more minimal and closer to the ground.

Both shoes share Allbirds’ commitment to sustainable materials, but they serve different priorities. The Tree Runner Go leans into performance and support, while the Runner NZ Slip On focuses on effortless style and lightweight comfort. Neither is a true running shoe for high-impact training, but both handle walking, commuting, and casual wear well.

Tradeoffs at a glance

  • Cushioning: Tree Runner Go has more foam for a plusher, bouncier step. Runner NZ Slip On is lighter and less cushioned for a more minimal feel. If you want softness, choose Tree Runner Go. If you prefer ground feel, choose Runner NZ Slip On.
  • Breathability: Tree Runner Go uses breathable Tree Knit (TENCEL™ Lyocell). Runner NZ Slip On also has a breezy knit but with a denser weave for a sleeker look. Tree Runner Go edges ahead for hot days. Runner NZ Slip On still breathes well but is slightly less airy.
  • Convenience: Runner NZ Slip On has no laces—just step in and go. Tree Runner Go has laces that allow a more customized fit. For quick on-off, Runner NZ Slip On wins. For adjustability, Tree Runner Go is better.

Product facts

  • Women's Tree Runner Go - Deep Navy (True Navy Sole): Made with even more foam cushioning to deliver a plusher and bouncier feel, and our breezy Tree Knit, a TENCEL™ Lyocell (tree fiber) blend. The extra foam makes the Tree Runner Go noticeably softer underfoot, ideal for long walks or standing all day. The breathable knit helps keep feet cool in warm conditions.
  • Women's Runner NZ Slip On - Anthracite (Dark Anthracite Sole): No laces. No slowdown. Runner NZ Slip On delivers the lightweight comfort you know from our Runner collection—now in a clean slip-on with a breezy feel, a sleek profile, and subtle texture. The slip-on design saves time getting ready and creates a cleaner look. The lighter build and lower profile suit those who prefer a less shoe-like feel for casual errands or relaxed days.

Which one fits you?

Best for

  • Daily walkers who want extra cushioning and breathability
  • People who prefer a secure lace-up fit for varied activities

Not for

  • Those who want a true performance running shoe for high-impact runs
  • Anyone who needs a slip-on with a very minimal sole and no laces