Name: OOFOS Unisex OOriginal Sandal
Brand: OOFOS
SKU: 1000-BLACK
Price: 60.00 USD
Availability: OutOfStock

$60.00

Shipping calculated at checkout.

Color: Black

Color

Black

Size —

Size chart

Unisex sizing: women’s = men’s + 2 · Wear a half size? Women size up, men size down

Find your OOFOS size with OOFOS’s official unisex size chart and half-size advice — or stop in for a fitting at our Kettering, Ohio store.

Shop OOFOS →

How it fits

Many OOFOS styles — like the OOahh slide, OOriginal sandal and OOcloog — are unisex. They’re labeled with both sizes: a women’s size is always two sizes larger than the men’s (for example, M6/W8 fits a men’s 6 or a women’s 8).

The OOlala is a women’s style, built on a narrower last than the OOriginal and OOahh.

Half sizes

If you normally wear a whole size, order that same whole size.

If you normally wear a half size: women, order a half size up; men, order a half size down.

Some OOFOS shoes, like the OOmg, come in half sizes.

Unisex size chart

US Men	US Women	UK Men	UK Women	EU
2	4	1	2	35
3	5	2	3	36
4	6	3	4	37
5	7	4	5	38
6	8	5	6	39
7	9	6	7	40
8	10	7	8	41
9	11	8	9	42
10	12	9	10	43
11	13	10	11	44
12	14	11	12	45
13	15	12	13	46
14	16	13	14	47
15	17	14	15	48

Need help? We measure every customer with a Brannock device at our Kettering store. Stop in for a fitting, or call us at 937.298.1801 and we’ll help you choose. Ready to shop? Shop all OOFOS →

Source: OOFOS size conversion chart and sizing guidance (OOFOS) · Last checked October 2026

M3W5

M4W6

M5W7

M6W8

M7W9

M8W10

M9W11

M10W12

M11

M12

Width : M — Medium

Only 1 left in size M4W6
Backordered, shipping soon

$5 shipping · free on orders $75+
30-day returns & exchanges, in store or by mail
Ships in 1 business day · 2-day & 3-day options at checkout

Fit & Feel

Lightweight
Odor Resistant

Neutral gait · Everyday wear

The OOriginal is an OOFOS classic. An athlete-approved testament to ultimate comfort, it comes engineered with proprietary OOfoam™ technology that absorbs 37% more impact than traditional footwear. A unique patented footbed is designed to help reduce stress on your joints, adapting to your recovery in key moments throughout the day. This is the icon that took support and comfort to new levels. If relief is what you're after, you can start here.

Features

Impact-absorbing OOfoam™ technology in OOFOS' advanced footbed geometry
Rounded, cupped heel designed to enhance impact absorption and stability with every step
Lightweight, flexible and packable for travel
Closed-cell foam is designed to minimize odor
Machine washable; air dry

Whole sizes only, labeled with both men's and women's sizes. Between sizes, OOFOS recommends sizing up.

Stock Number: 1000-BLACK

Most orders ship within 1 business day

During busy seasons, processing may take up to 2 days

Same‑Day Shipping

Mon–Fri: Orders placed by 12 PM EST
Saturday: Orders placed by 10 AM EST
Orders placed after these times, on Sundays, or on holidays ship the next business day

Free Shipping
Free shipping on U.S. orders of $75 or more (continental U.S.)
Orders under $75 ship for a flat $5

Carriers Used
Orders ship via USPS or UPS
Weekend/late‑Friday orders may ship USPS to meet timing requirements

Alaska, Hawaii, Military & U.S. Territories
Shipped via USPS Standard/Priority Mail
Typical transit times:
AK/HI/Territories: ~3 days (not guaranteed)
Military addresses: 10–15 days

Transit Times
USPS Priority Mail may display “1‑Day,” “2‑Day,” or “3‑Day,” which reflects USPS’s estimate after the package ships
These estimates do not include processing time.

Need It Faster?
UPS 3 Day Air ($20) and UPS 2nd Day Air ($25) are available at checkout

SKU: 1000-BLACK

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