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

Small

Medium

Large

Quantity

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On Prism Collection

A running jacket for ultralight protection from the elements. Made with breathable, windproof fabrics, it’s ideal for changing weather.

Product Highlights

Packed with features: The Weather Jacket is engineered to make running in the elements more comfortable. With an overlap design for breathability and elasticated thumb holes to keep the jacket close to your skin, leaving little space for the elements to intrude. It also packs into itself – neat.
Breathable protection: Thanks to its lightweight Japanese fabric, the Weather Jacket offers 360° ventilation in one ultralight, quick-drying package. What's more, the high-stretch polyester and elastane fabric features a micro-ventilation pattern for high breathability.
Weightless win: In changing weather conditions, you don't need more distractions. The Weather Jacket is so light, it feels like nothing. It’s also windproof, making it the perfect protective layer when the weather can't make up its mind.

Product Details

Windproof - perfect for blustery trails
Light - only 230g and self-packing
Hidden airflow vents
Chest pocket with water-repellent zipper
Thumb hole elastic
Made to move: Spiral darts elbow
Reflective details
Breathable overlap construction front and back
Main fabric composition (upper): 92% recycled polyamide, 8% elastane
Main fabric composition (lower): 100% recycled polyamide
Underarm: 80% recycled polyester, 20% elastane Lining: 95% recycled polyester, 5% elastane
Cold weather: Engineered to keep you warm, cozy and comfortable, no matter what’s going on outside
Fit: Close