Men's Cloudsurfer Max

Run easy, run long — On's softest long-distance trainer

$119.99

Color: Pelican/Limelight

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Double-layer CloudTec Phase

Helion foam tuned for softness

New midsole design

Description

On's own line for this shoe is “run easy, run long”, and that is a fair summary. A double layer of their CloudTec Phase cushioning system is engineered for smoothness, with soft Helion foam over a redesigned midsole.

Two things are worth knowing before you buy: On market it as max-cushioned while their own scale rates the cushioning High, and they class the support as Neutral while rating the stability Medium-High. It is a deep, planted, substantial shoe for long steady miles — and it comes in a genuinely wider 2E as well as standard D.

Perfect for

Daily trainer

On's own call.

Long runs

Run easy, run long.

Walking and treadmill

Listed by On alongside running.

Features

Double-layer CloudTec Phase. On's structural cushioning, doubled up on this shoe. The clouds are computer-optimised to compress in sequence rather than all at once, so the shoe rolls from landing through to toe-off instead of thudding through the middle.
Helion foam tuned for softness. The same Helion foam On use across the range, but optimised here for softness rather than snap. Paired with a redesigned midsole, it is where the long-run comfort comes from.
New midsole design. On's own claim for this generation is lasting comfort mile after mile, and the reworked midsole is what they credit for it. The aim is a ride that still feels cushioned at the end of a long run rather than only at the start.
Breathable mesh and a knitted tongue. A lightweight mesh upper with a knitted tongue that locks the midfoot down without pressure. On revamped the eyestay and tongue design on this generation specifically for comfort.
Rubber outsole. Straightforward rubber for reliable traction on road and treadmill. On list walking alongside running for this shoe, and the outsole is the reason it holds up to both.

Size & Fit

Narrow

Regular

Roomy

Standard medium width. Fits most feet true to size.

On's own guidance is true to size, in either width. Take your usual running-shoe size.
Men's US 7 to 15 in Regular (D) and Wide (2E)
The wide is built on a genuinely wider last, not the standard shoe scaled up. If your foot spreads over the edge of the footbed, choose Wide (2E) rather than sizing up.
If your foot is a standard width, the wide platform will feel loose through the midfoot
The knitted tongue and revamped eyestays hold the midfoot without pressure, so it locks down without over-tightening
Neutral support only. No posting or guidance structure.

Open size guide

Materials

Upper: lightweight breathable mesh with a knitted tongue.
Midsole: double-layer CloudTec Phase with Helion foam.
Outsole: rubber.
Materials: polyester. Made in Vietnam.
Care: remove the laces and insoles, hand wash with cold water and a mild detergent, then air dry. Do not machine wash or tumble dry.

About the brand

On was born in the Swiss Alps with one mission: revolutionize the running sensation. Their CloudTec® cushioning gives every stride a soft landing and powerful takeoff. At Mountain Sports, we love On because it blends sleek design with performance innovation — gear that makes every run feel lighter.

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SKU 3MF30434729 · Style 3MF3043 (Regular D), 3MF3080 (Wide 2E)

Size guide

On Size Chart - Men's Footwear

On Sizing Chart

Conversions between US, UK, Europe, Japan (cm) and Brazil sizes as published by On. On footwear fits true to size.

Men's Footwear Size Conversions:

US	UK	EU	JP (CM)	BR
7	6.5	40	25	37
7.5	7	40.5	25.5	38
8	7.5	41	26	39
8.5	8	42	26.5	N/A
9	8.5	42.5	27	40
9.5	9	43	27.5	41
10	9.5	44	28	N/A
10.5	10	44.5	28.5	42
11	10.5	45	29	N/A
11.5	11	46	29.5	43
12	11.5	47	30	44
12.5	12	47.5	30.5	45
13	12.5	48	31	46
13.5	13	48.5	31.5	47
14	13.5	49	31.5	N/A
15	14.5	50	33	47

To find your size, measure your foot from heel to longest toe in centimeters and match it to the JP (CM) column. If you're between sizes, choose the larger size for a roomier fit.

Full spec sheet

Technical Specs

Best for	Daily training, long runs, walking and treadmill
Weight	Around 300 g — On's figure for this model. Specialist retailer listings range from 10.3 to 11 oz, so treat it as approximate.
Heel-to-toe drop	6 mm
Cushioning	High — On's own rating
Support	Neutral — stability rated Medium-High
Midsole	Double-layer CloudTec Phase with Helion foam
Upper	Breathable mesh with a knitted tongue. Polyester, made in Vietnam.
Sizes and widths	US 7-15 in Regular (D) and Wide (2E). Choose the width above.
Style	3MF3043 (Regular D), 3MF3080 (Wide 2E)

Questions, answered

Before you buy.

Pulled from chats, emails and store visits. The things people actually ask us before they buy. Don't see yours?

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Is this really a max-cushioned shoe?

It is deep and soft, but there is a wrinkle worth knowing. On market it as max-cushioned, while On's own rating scale puts the cushioning at High rather than Max. Both statements come from On. In practice it is a doubled layer of CloudTec Phase over soft Helion foam, so it lands soft and protects the legs over distance — just do not expect the very tallest stack on the market.

Is it a neutral shoe or a stability shoe?

On classify the support as Neutral, and there is no medial post in it. But they also rate its stability Medium-High, and specialist retailers list it as a neutral shoe with a planted feel. The steadiness comes from a broad platform rather than from anything correcting your stride. So: a neutral shoe that happens to feel secure. If you have been told you need genuine support, this is not that shoe.

Does it come in a wide?

Yes — pick Wide (2E) in the width selector above. On build it on a genuinely wider last rather than simply scaling the standard shoe up: a broader platform with a flat knit collar, so you take your usual length and get the extra room across the forefoot. If your foot is a standard width, stay with Regular (D), because the wide platform reads loose through the midfoot. The wide comes in White/White and Midnight/Ivory.

How much does it weigh?

Around 300 g, or a little over 10.5 oz, in a men's sample size. We are giving you a range rather than a single number on purpose: On do not publish a weight on the current product page, and the specialist retailers who do carry one disagree, listing anywhere from 10.3 to 11 oz. Either way this is a substantial shoe. That is the trade for the cushioning, and it is why it suits long steady miles rather than fast ones.

How many miles should I expect from them?

Plan on 300 to 500 miles, the usual range for a cushioned daily trainer. On a shoe like this the CloudTec structure loses its bounce-back before the rubber wears through, so judge by feel rather than by tread: when the softness goes flat, the part you paid for is finished. Replacing the insole first restores a surprising amount of the original feel and is worth trying before you replace the shoe.