Everyday style, workday features. The QO400 slip-on sneaker is designed for on-the-job comfort and safety, from its fluid-resistant upper to its slip-, oil- and petrol-resistant outsole. Built on the trusted anatomic support of the BIRKENSTOCK® footbed—a difference you'll feel after long hours on your feet.
The shoe is certified in accordance with EN ISO 20347:2012 and meets the requirements of protection category O2.
- Contoured cork-latex footbed shapes to you with wear
- Fluid-resistant, PU-coated smooth leather upper (WRU)
- Microfiber footbed lining
- Nitrile rubber sole (SRC)
- Slip-, oil- & grease-resistant outsole (SRC, FO); energy absorption around heel (E); antistatic protection (A)
- Safety shoe certified in accordance with EN ISO 20347:2012
- Protection category O2
Insole: Microfibre
Footbed material: Cork
Variations
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Color:Black
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WidthWidth information
- Regular/Wide
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Fit PredictorCalculate your sizeSize
Women
Size chart
- 4-4.5 US 35 EU
- 5-5.5 US 36 EU
- 6-6.5 US 37 EU
- 7-7.5 US 38 EU
- 8-8.5 US 39 EU
- 9-9.5 US 40 EU
- 10-10.5 US 41 EU
- 11-11.5 US 42 EU
- 12-12.5 US 43 EU
Men
- 6-6.5 US 39 EU
- 7-7.5 US 40 EU
- 8-8.5 US 41 EU
- 9-9.5 US 42 EU
- 10-10.5 US 43 EU
- 11-11.5 US 44 EU
- 12-12.5 US 45 EU
- 13-13.5 US 46 EU
- 14-14.5 US 47 EU
- 15-15.5 US 48 EU
Size chart
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 42
- 43
- 44
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- 46
- 47
- 48
The Original Birkenstock Footbed
A legendary design
The heart of all models is the original BIRKENSTOCK footbed. The construction, which has been thought out to the smallest detail and makes it feel like you're standing in sand, helps your feet feel as comfortable as possible for hours on end. This supports health and promotes wellbeing.