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| Category | U.S. Size | Birkenstock Size |
|---|---|---|
| Women | 4–4½, 5–5½, 6–6½, 7–7½, 8–8½, 9–9½, 10–10½, 11–11½, 12–12½ | 35, 36, 37, 38, 39, 40, 41, 42, 43 |
| Men | 7–7½, 8–8½, 9–9½, 10–10½, 11–11½, 12–12½, 13–13½, 14–14½, 15–15½, 16–16½, 17–17½ | 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50 |
| Kids | 6–6½, 7–7½, 8–8½, 9–9½, 10–10½, 11–11½, 12–12½, 13–13½, 1–1½, 2–2½, 3–3½ | 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34 |
Sizing:
Add 31 to women's U.S. size and 33 to men's U.S. size to determine Birkenstock size.
Flex Footbed:
Flex the footbed before wearing to help it feel more comfortable sooner.
Step In:
Open all straps and step into the footbed. Leave ¼ inch of space around heels and toes for natural rolling motion.
Adjust Straps:
Close straps comfortably, allowing enough space for freedom of movement.
Take a Walk:
Take a few steps. If toes and heels do not hit the footbed edge, the fit is correct.
Recommendations:
Limit first 5–6 wearings to a few hours to allow the feet and body to adjust to the new support and straps.
Sold Out Size Guide
| Category | U.S. Size | Birkenstock Size |
|---|---|---|
| Women | 4–4½, 5–5½, 6–6½, 7–7½, 8–8½, 9–9½, 10–10½, 11–11½, 12–12½ | 35, 36, 37, 38, 39, 40, 41, 42, 43 |
| Men | 7–7½, 8–8½, 9–9½, 10–10½, 11–11½, 12–12½, 13–13½, 14–14½, 15–15½, 16–16½, 17–17½ | 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50 |
| Kids | 6–6½, 7–7½, 8–8½, 9–9½, 10–10½, 11–11½, 12–12½, 13–13½, 1–1½, 2–2½, 3–3½ | 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34 |
Sizing:
Add 31 to women's U.S. size and 33 to men's U.S. size to determine Birkenstock size.
Flex Footbed:
Flex the footbed before wearing to help it feel more comfortable sooner.
Step In:
Open all straps and step into the footbed. Leave ¼ inch of space around heels and toes for natural rolling motion.
Adjust Straps:
Close straps comfortably, allowing enough space for freedom of movement.
Take a Walk:
Take a few steps. If toes and heels do not hit the footbed edge, the fit is correct.
Recommendations:
Limit first 5–6 wearings to a few hours to allow the feet and body to adjust to the new support and straps.
N1026237
The BIRKENSTOCK Boston is a veritable classic that can easily be worn all year round. The Boston has a legendary status thanks to its sophisticated, individual design. Shown in EVA, a synthetic waterproof and lightweight material. Super lightweight - great for after the gym or the beach.
Material:
