Quick Answer
For most men, the Tree Glider Twilight White fits true to size. If you're between sizes, size up for a relaxed fit, especially if you plan to wear thicker socks.
Why Sizing Matters for the Tree Glider
The Tree Glider is designed for all-day wear, from workouts to casual hangouts. Its knit upper and cushioned midsole provide a snug yet flexible feel, but getting the right size ensures maximum comfort and prevents blisters.
Allbirds shoes generally run true to size, but individual fit can vary based on foot shape and personal preference. This guide helps you decide between your usual size and a half size up.
Decision Rules for Choosing Your Size
- If you're between sizes: Size up to the next half size. The Tree Glider's knit upper is flexible, but a bit of extra room prevents your toes from feeling cramped during long wear.
- If you prefer a snug, athletic fit: Choose your true size. This gives a secure feel, ideal for workouts or active days.
- If you wear thick socks: Size up half a size to accommodate thicker socks without compromising comfort. Check your usual sock thickness before ordering.
Product Facts
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Men's Tree Glider - Twilight White (Twilight White Sole): The Tree Glider features a Tree Knit upper made from eucalyptus-derived TENCEL™ Lyocell and recycled polyester blend. This breathable, flexible material adapts to your foot, so a snug fit at first will stretch slightly with wear.
Men's Tree Glider - Twilight White (Twilight White Sole)
Fit Guidance
Best for
- Men with standard-width feet who want a true-to-size fit
- Those who prefer a relaxed, roomy toe box for casual wear
Not for
- Men with wide feet who need a wide-width option (the Tree Glider only comes in standard width)
- Those who prefer a very snug, performance-oriented fit (consider sizing down if between sizes)