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

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On Prism Collection

Ultralight, cleverly-designed and built for podium finishes. The Race Tights Half are part of an ultralight, high-performance racing collection for ambitious runners who take aim at the podium. Weighing only 100g means they're built for race day. But they also have the features that make a difference any day of the week: A cord closure system to ensure the perfect fit and zipped pockets to protect valuables while you move. These are tights engineered for giving 100% with every stride.

Product Highlights

Zero to slow you down. The Race Tights Half weigh 100g. Ultra-lightweight and nothing more. Just pure running performance.
Valuable features. A zipped back pocket stores nutrition essentials on race day. Or valuables like keys or a card on training days.
Fit for your personal best. A cord closure system ensures the perfect fit to keep your mind on your time and nothing else.

Product Details

This product contains at least 20% recycled content by weight. The polyamide in this product contains at least 30% recycled content.
Total composition: 76% Polyamide, 24% Elastane
92 g | 3.2 oz