Name: PowerStep Unisex Supination Orthotic
Brand: POWERSTEP
SKU: 5308-01
Price: 65.00 USD
Availability: InStock

PowerStep Unisex Supination Orthotic insoles, top and bottom, with retail box

Top of PowerStep Unisex Supination Orthotic insole pair

Angled view of PowerStep Unisex Supination Orthotic insole

Heel cup view of PowerStep Unisex Supination Orthotic insole pair

PowerStep Supination insole dimensions and size chart

$65.00

Shipping calculated at checkout.

Size —

Size chart

Orthotic insoles by shoe size · Full-length ASM–L · 3/4 length · SlenderFit

Find your Powerstep insole size with Powerstep’s official sizing charts — or bring your shoes to our Kettering, Ohio store and we’ll fit your insoles.

Shop Powerstep →

How it fits

Powerstep insoles are sized by your US shoe size. Each size covers a range (for example, size C fits men’s 6–6½ and women’s 8–8½). Full-length, 3/4-length and SlenderFit insoles use different charts — match the chart to the insole.

If you need to trim, Powerstep recommends using your shoe’s factory insole as a template.

Break them in gradually: Powerstep recommends wearing new orthotics for up to one hour on the first day (30 minutes at a time if your feet are sensitive).

Full-length insoles (Pinnacle, Original, Pinnacle Maxx, Pinnacle Plus, Pinnacle Low, Pinnacle High, PULSE)

Powerstep size	Men’s shoe	Women’s shoe
ASM	3–3½	5–5½
A	4–4½	6–6½
B	5–5½	7–7½
C	6–6½	8–8½
D	7–7½	9–9½
E	8–8½	10–10½
F	9–9½	11–11½
G	10–10½	12
H	11–11½	—
I/J	12–13	—
K	14–15	—
L	16+	—

Full-length chart applies to most Powerstep full-length insoles. Not every style comes in every size.

3/4-length insoles

Powerstep size	Men’s shoe	Women’s shoe
ASM	4–4½	6–6½
A	5–6½	7–8½
B	7–8½	9–10½
C	9–9½	11–11½
D	10–10½	12
E	11–11½	—
F	12–13½	—

SlenderFit (women’s)

Powerstep size	Women’s shoe
XS	5–6
SM	6½–7½
MD	8–9
LG	9½–10½

Our SlimTech 3/4 insoles use the 3/4-length sizes. SlenderFit is designed for women’s slim-fitting and heeled shoes.

Archwear sandals

Powerstep Archwear sandals are sold in your regular US shoe size; we carry them in whole sizes.

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 Powerstep →

Source: Powerstep sizing chart reference and FAQ (powerstep.com) · Last checked October 2026

(A) Men's 4-4.5 | Women's 6-6.5

(B) Men's 5-5.5 | Women's 7-7.5

(D) Men's 7-7.5 | Women's 9-9.5

(E) Men's 8-8.5 | Women's 10-10.5

(F) Men's 9-9.5 | Women's 11-11.5

(G) Men's 10-10.5 | Women's 12

(H) Men's 11-11.5

(I/J) Men's 12-13

(K) Men's 14-15

Only 2 left in size (A) Men's 4-4.5 / Women's 6-6.5 US
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

Arch Support

Supination gait · High arch

The PowerStep® Supination orthotic insole is made for high arches and feet that roll outward (supination). It combines high arch support with a lateral wedge and a deep heel cup to help keep the foot steady and better aligned with every step.

Features

High arch support fills the space under a high arch so the foot is supported along its full length
Lateral wedge along the outer edge helps counter the outward roll of supination
Deep heel cup cradles and stabilizes the heel
Dancer's pad helps ease pressure under the ball of the foot

Shoe Sizes: Available in 10 sizes ranging from Men's U.S. shoe sizes 4 to 15, and Women's U.S. shoe sizes 6 to 12

Ideal shoe type: Intended for footwear where the factory insoles can be removed.

Stock Number: 5308-01

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: 5308-01

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Supination Orthotic

How it fits

Full-length insoles (Pinnacle, Original, Pinnacle Maxx, Pinnacle Plus, Pinnacle Low, Pinnacle High, PULSE)

3/4-length insoles

SlenderFit (women’s)

Archwear sandals

Features

Same‑Day Shipping

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