$330.00

Colour — White & Flame

White & Flame

Size —

SIZE GUIDE

Men's

US	UK	EU	BR	JP (CM)
7	6.5	40	37	25
7.5	7	40.5	38	25.5
8	7.5	41	39	26
8.5	8	42	39.5	26.5
9	8.5	42.5	40	27
9.5	9	43	41	27.5
10	9.5	44	41.5	28
10.5	10	44.5	42	28.5
11	10.5	45	42.5	29
11.5	11	46	43	29.5
12	11.5	47	44	30
12.5	12	47.5	45	30.5
13	12.5	48	46	31
14	13.5	49	47	31.5

		CHEST	WAIST	HIP
S	CM	90–93	77–80	90–93
S	INCHES	35–37	30–31	35–37
M	CM	96–99	83–86	96–99
M	INCHES	38–39	33–34	38–39
L	CM	102–105	89–92	102–105
L	INCHES	40–41	35–36	40–41
XL	CM	108–111	95–98	108–111
XL	INCHES	43–44	37–39	43–44
XXL	CM	114–118	101–105	114–117
XXL	INCHES	45–46	40–41	45–46

How to Measure

1. Chest
Measure around the fullest part, across chest points.

2. Waist
Measure around the narrowest part (typically where your body bends side to side).

3. Hip
Measure around the fullest part, across hip points.

Size	US	UK	EUR	BR	JP (CM)
S	7–8	6.5–7.5	40–41	37.5–39	25–26
M	8.5–9.5	8–9	42–43	39.5–41	26.5–27.5
L	10–11	9.5–10.5	44–45	41.5–42.5	28–29
XL	11.5–12.5	11–11.5	46–47	43–44	29.5–30.5
XXL	13–14	12.5–13.5	48–49	46–47	31–32

Women's

US	UK	EU	BR	JP (CM)
5	3	36	33	22
5.5	3.5	36.5	34	22.5
6	4	37	34.5	23
6.5	4.5	37.5	35	23.5
7	5	38	36	24
7.5	5.5	38.5	37	24.5
8	6	39	37.5	25
8.5	6.5	40	38	25.5
9	7	40.5	39	26
9.5	7.5	41	39.5	26.5
10	8	42	40	27
10.5	8.5	42.5	41	27.5
11	9	43	42	28

		CHEST	WAIST	HIP
XS	CM	82	67	90
XS	INCHES	32	26	35
S	CM	85–88	70–73	93–96
S	INCHES	33–35	28–29	37–38
M	CM	91–94	76–79	99–102
M	INCHES	36–37	30–31	39–40
L	CM	98–102	83–87	106–110
L	INCHES	39–40	33–34	42–43
XL	CM	106–111	92–97	114–118;
XL	INCHES	42–44	36–38	45–46

How to Measure

1. Bust
Measure around the fullest part, across bust points.

2. Waist
Measure around the narrowest part (typically where your body bends side to side).

3. Hip
Measure around the fullest part, across hip points.

Size	US	UK	EUR	BR	JP (CM)
XS	5–6	3–4	36–37	33.5–34.5	22–23
S	7–8	5–6	38–39	36–37.5	23.5–25
M	8.5–9.5	6.5–75	40–41	38–39.5	25.5–26.5
L	10–11	8–9	42–43	40–41	27–28

Sources
https://customer-service.on-running.com/en-ca/size_guide

8.5

9.5

10.5

11.5

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BEST FOR:
Race Day
Speed Work

SIZING & FIT:
True to Size
Fitted Toe Box

Sizing & Fit: A properly sized toebox offers about 1 cm of length in the front and provides a secure fit with room for natural movement, without excess width.

SUPPORT & CUSHIONING:
Neutral
Medium Cushion

Neutral: Neutral shoes that provide a natural running experience with balanced support and no added stability features.

Medium Cushion: A comfortable balance of cushioning for all-around support and feel.

FEEL:
Responsive

Responsive: Cushion that bounces back quickly, for a lively, 'feel-the-ground' experience.

WEIGHT:
215g / 7.58oz (Men's size 10)

DROP:
9.5mm (35mm / 25.5mm)

Drop: The height difference between heel and toe. High drop (8mm+) aids heel strikers, longer distances, and Achilles relief, low drop (0-4mm) suits midfoot/forefoot strikers and a natural feel.

Questions? Reach out for more sizing guidance!

A fusion of CloudTec® and Helion™ HF for On's fastest race-day shoe. Get ready to outrun your echo.

Chase that feeling - Combining a carbon Speedboard® with an extreme rocker shape, you've got extra boom with every stride. Silicone inserts on the laces and insole guarantee your feet stay comfortably locked in place. Add crafted cushioning for a race-specific fit, and you're ready to crush records.

Light on your feet - Light in weight, big on performance. Developed with the fastest runners and lightest elements, the Cloudboom Echo 3 comes at a maximum of 215g. And an ingenious breathable microfiber upper delivers extreme breathability and water absorption.

Feel the need for speed - Built to push you further – from personal bests to podium finishes. A fusion of leveled-up elements approved by elite athletes. Like the ultra-soft Helion™ HF made from Pebax®, combined with On's CloudTec®. The result? Supreme speed, impact protection and energy return. Get ready to outrun your echo.

Product Highlights

Built with CloudTec® and Helion™ HF hyper foam
Every element is engineered for performance
Rocker-shaped carbon Speedboard®
Impact protection and high energy return
Ultralight and weighs only 188-215g*
Approved by elite-level athletes
Silicone inserts and cushioning where you need it
Thin, breathable, complete with one-piece upper

Product Details

Best For: Race Day, Speed Work
Sizing & Fit: True to Size, Fitted Toe Box
Support & Cushioning: Neutral, Medium Cushion
Feel: Responsive
Weight: 215g / 7.58oz (Men's size 10)
Drop: 9.5mm (35mm / 25.5mm)