On Women's Cloudboom Max

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

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

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

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

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

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	6.5–7.5	40–41	38–39.5	25.5–26.5
L	10–11	8–9	42–43	40–41	27–28

Shoe Specifications

Description

Delivery & Returns

On Women's Cloudboom Max

Product Details

Shoe Specifications

A super shoe made for marathon runners of all levels.

This elite-level super shoe delivers soft, responsive cushioning that absorbs impact, maximizes eﬃciency, and helps you feel your best, so you reach the finish line. Ideal for everyday runners with marathon target times of about four hours or more.

Product Highlights

Goes the distance - This elite-level super shoe features re-engineered components. Its geometry is engineered to support all types of running styles.
Supportive Speedboard® - The glass fiber-infused Speedboard® enhances eﬃciency and confidence. Combined with Helion™ HF and a cushioned heel, landings and push-oﬀs feel energized and comfortable.
Featherlight upper - The ultralight, breathable mesh upper cleverly molds and adjusts to your foot’s movements over long distances and time. Feels like nothing, so you can focus on the race.

Shipping:

Free on all orders over $75.

Please note delivery times are estimates.

Ontario & Quebec:
Standard (3–5 days): $10, free over $75.
Express (2–3 days): $25, $20 over $75.
Rest of Canada:
Standard (3–5 days): $15, free over $75.
Express (2–3 days): $35, $30 over $75.

Returns:

14-day return policy. See our returns & exchanges policy here for more detail.
One free return per order on qualifying items.

Exchanges:

Free exchanges within 30 days.

Best For

Every Day Running

Walking

Speed Work

Race Day

Track

Recovery

Trail

Plate: Nylon Plate

A flexible plate that enhances responsiveness while maintaining comfort for daily training.

Cushioning

High Cushion

Light High

Thick cushioning for maximum comfort.

Support

Neutral

Neutral High Support

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

Feel

Extra Soft

Responsive Extra Soft

Extra cushioning for a smooth, cloud-like experience.

Sizing & Fit

True to Size

Runs Small Runs Large

A properly sized toe box offers about 1 cm of length in the front and provides a secure fit with room for natural movement, without excess width.

Weight

250.0g/8.81oz

129g 351g

Drop

8 mm

0mm 12mm+

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. (40 mm / 32 mm)

Questions? Reach out for more guidance!

Key Features

Support & Cushioning

Neutral, High Cushion

Heel-to-Toe Drop

8 mm

Sizing & Fit

True to Size

Plate

Nylon Plate

Account