Size Chart

Decathlon Size Chart

Use this Decathlon Size Chart to find the right fit for tops, bottoms, footwear, kids’ clothing, accessories, helmets, gloves, and bikes. Measure your body first, then compare your measurements with the size tables below.

Men’s Tops Size Chart

Chest Size (cm)	84–87	88–91	92–95	96–99	100–103	104–107	108–113	114–118	119–123	124–129	130–135	136–141	142–146	147–153	154–159
Universal Size	XS	S	M	M/L	L	L/XL	XL	XL/2XL	2XL	2XL/3XL	3XL	3XL/4XL	4XL	4XL/5XL	5XL

Men’s Bottoms Size Chart

Waist Size (cm)	70–73	74–77	78–81	82–85	86–89	90–95	96–100	101–105	106–111	112–117	118–123	124–129	130–135	136–141	142–147
EU Size	36	38	40	42	44	46	48	50	52	54	56	58	60	62	64
Universal Size	XS	S	M	M/L	L	L/XL	XL	XL/2XL	2XL	2XL/3XL	3XL	3XL/4XL	4XL	4XL/5XL	5XL

Women’s Tops Size Chart

Chest Size (cm)	76–79	80–83	84–87	88–91	92–95	96–99	100–103	104–107	108–113	114–118	119–123	124–129	130–135	136–141	142–146	147–153	154–159
UK Size	2	4	6	8	10	12	14	16	18	20	22	24	26	28	30	32	34
EU Size	32	34	36	38	40	42	44	46	48	50	52	54	56	58	60	62	64
Universal Size	3XS	2XS	XS	S	M	M/L	L	L/XL	XL	XL/2XL	2XL	2XL/3XL	3XL	3XL/4XL	4XL	4XL/5XL	5XL

Women’s Bottoms Size Chart

Waist Size (cm)	57–58	58–62	63–65	66–69	70–73	74–77	78–84	85–90	91–96	97–102	103–108	109–114	115–120	121–128	129–132	133–139
UK Size	2	4	6	8	10	12	14	16	18	20	22	24	26	28	30	32
EU Size	32	34	36	38	40	42	44	46	48	50	52	54	56	58	60	62
Universal Size	3XS	2XS	XS	S	M	M/L	L	L/XL	XL	XL/2XL	2XL	2XL/3XL	3XL	3XL/4XL	4XL	4XL/5XL

Women’s Bra Band Size Chart

Underbust Size (cm)	63–67	68–72	73–77	78–82	83–87	88–92	93–97	98–102	103–107	108–112	113–117
Band Size	80	85	90	95	100	105	110	115	120	125	130
UK Size	30	32	34	36	38	40	42	44	46	48	50

Women’s Bra Cup Size Chart

Cup	Band 80	Band 85	Band 90	Band 95	Band 100	Band 105	Band 110	Band 115
AA	72–74	77–79	82–84	87–89	92–94	97–99	102–104	107–109
A	75–77	80–82	85–87	90–92	95–97	100–102	105–107	110–112
B	78–80	83–85	88–90	93–95	98–100	103–105	108–110	113–115
C	81–83	86–88	91–93	96–98	101–103	106–108	111–113	116–118
D	84–86	89–91	94–96	99–101	104–106	109–111	114–116	119–121
E	87–89	92–94	97–99	102–104	107–109	112–114	117–119	122–124
F	90–92	95–97	100–102	105–107	111–113	115–117	120–122	125–127
G	93–95	98–100	103–105	108–110	113–115	118–120	123–125	128–130

Women’s Swimwear Size Chart

Waist Size (cm)	56–59	60–63	64–67	68–71	72–75	76–79	80–83	84–89	90–95	96–101	102–107	108–113	114–119	120–125	126–131	132–137
Hip Size (cm)	86–89	90–93	94–97	98–101	102–105	106–109	110–113	114–119	120–125	126–131	132–137	138–143	144–149	150–155	156–161	162–167
EU Size	34	36	38	40	42	44	46	48	50	52	54	56	58	60	62	64
Universal Size	2XS	XS	S	M	M/L	L	L/XL	XL	XL/2XL	2XL	2XL/3XL	3XL	3XL/4XL	4XL	4XL/5XL	5XL

Men’s Footwear Size Chart

US Size	Foot Length (in)	EU Size	Foot Length (cm)
6	9.6	38.5	24.5
6.5	9.6	39	24.5
7	9.8	39.5	25
7.5	10	40	25.5
7.5	10	40.5	25.5
8	10.2	41	26
8.5	10.4	41.5	26.5
9	10.4	42	26.5
9.5	10.6	42.5	27
9.5	10.8	43	27.5
10	11	43.5	27.5
10.5	11	44	28
11	11.2	44.5	28.5
11.5	11.2	45	28.5
11.5	11.4	45.5	29
12	11.6	46	29.5
12.5	11.6	46.5	29.5

Women’s Footwear Size Chart

US Size	Foot Length (in)	EU Size	Foot Length (cm)
4	8.25	34	20.8
4.5	8.5	34.5	21.3
5	8.7	35	22
5.5	8.9	35.5	22.5
5.5	8.9	36	22.5
6	9.1	36.5	23
6.5	9.3	37	23.5
7	9.3	37	23.5
7.5	9.4	38	24
7.5	9.6	38.5	24.5
8	9.6	39	24.5
8.5	9.8	39.5	25
9	10	40	25.5
9	10	40.5	25.5
9.5	10.2	41	26
10	10.4	41.5	26.5
10.5	10.4	42	26.5

Unisex Footwear Size Chart

Women’s / Men’s US Size	Foot Length (in)	EU Size	Foot Length (cm)
W5 / M3.5	8.6	35	21.9
W5.5 / M4	8.9	36	22.5
W6 / M4.5	9.1	36.5	23
W6.5 / M5	9.3	37	23.5
W7 / M5.5	9.3	37.5	23.5
W7.5 / M6	9.4	38	24
W8 / M6.5	9.6	39	24.5
W8.5 / M7	9.8	39.5	25
W9 / M7.5	10	40	25.5
W9.5 / M8	10.2	41	26
W10 / M8.5	10.4	41.5	26.5
W10.5 / M9	10.4	42	26.5
W11 / M9.5	10.8	43	27.5
W11.5 / M10	11	43.5	27.5
W12 / M10.5	11	44	28
W12.5 / M11	11.2	44.5	28.5
W13 / M11.5	11.2	45	28.5
W14 / M12	11.6	46	29.5
W15 / M13	11.8	47	30
W16 / M13.5	12	48	30.5

Kids’ Boys Clothing Size Chart

Height (cm)	56–63	64–70	71–76	77–82	83–89	90–97	98–104	105–114	115–124	125–132	133–142	143–152	153–162
Universal Size	3 Months	6–9 Months	9–12 Months	18 Months	2 Years	3 Years	4 Years	5 Years	6 Years	8 Years	10 Years	12 Years	14 Years

Kids’ Girls Clothing Size Chart

Height (cm)	56–63	64–70	71–76	77–82	83–89	90–97	98–104	105–114	115–124	125–132	133–142	143–150	151–160
Universal Size	3 Months	6–9 Months	9–12 Months	18 Months	2 Years	3 Years	4 Years	5 Years	6 Years	8 Years	10 Years	12 Years	14 Years

Kids’ Gloves Size Chart

Hand Size (cm)	13.9–14.9	14.91–15.9	15.91–16.9	16.91–17.8	17.81–18.6	18.61–19.45
Universal Size	4 Years	6 Years	8 Years	10 Years	12 Years	14 Years

Adult Headwear Size Chart

Head Size (cm)	51.1	52	52.9	53.8	54.7	55.6	56.5	57.4	58.3	59.2	60.1
Universal Size	T0	T1	T2	T3	T4	T5	T6	T7	T8	T9	T10

Accessories Headwear Size Chart

US Size	Head Circumference (in)
2XS	18.5–19.7
XS	19.7–20.9
S	20.9–22.0
M	22.0–23.2
L	23.2–24.4

Helmet Size Chart

US Size	Head Circumference (in)
2XS	17.3–19.3
XS	18.5–20.5
S	20.5–21.7
M	21.7–23.2
L	23.2–24.4

Accessories Gloves Size Chart

US Size	Palm Perimeter (in)	Hand Length (in)
2XS	7.0–7.3	6.3–6.6
XS	7.3–7.6	6.7–6.9
S	7.6–7.9	7.0–7.2
M	8.0–8.2	7.2–7.4
L	8.3–8.5	7.4–7.7
XL	8.6–8.9	7.7–7.9
2XL	8.9–9.2	8.0–8.1
3XL	9.2–9.5	8.2–8.4

Kids’ Bikes Size Chart

Bike Size	Recommended Height
12"	2'5"–3'0"
14"	3'0"–3'5"
16"	3'5"–3'11"
20"	3'11"–4'5"
24"	4'5"–5'1"

Road & Gravel Bikes Size Chart

Bike Size	Recommended Height
XS	5'1"–5'5"
S	5'5"–5'8"
M	5'8"–5'11"
L	5'11"–6'2"
XL	6'2"–6'7"

Mountain Bikes Size Chart

Bike Size	Recommended Height
S	4'11"–5'5"
M	5'5"–5'9"
L	5'9"–6'0"
XL	6'0"–6'7"

How to Choose Your Size

Measure your body first, then compare your measurement with the chart for the product type you are buying. For clothing, use chest, waist, hips, or underbust measurements as needed. For shoes, measure both feet and choose the larger foot length.

Measuring Tips

Chest or bust: Measure around the fullest part while keeping the tape level.
Waist: Measure around the narrowest part of your waist, above the belly button.
Hips: Measure around the fullest part of your hips.
Head: Measure around the head above the eyebrows.
Hand: Measure around the palm or follow the glove table for palm perimeter and hand length.
Foot: Stand against a wall and measure from the heel to the longest toe.

Fit Notes

Product fit may vary depending on the sport, cut, fabric, stretch, and intended use. Athletic-fit products may feel closer to the body, while casual or outdoor layers may allow more room.

Between-Sizes Advice

If your measurement falls between two sizes, choose the larger size for a more relaxed fit or layering comfort. Choose the smaller size only if you prefer a closer performance fit.

Product-Detail Reminder

Always check the individual product page for product-specific size notes, fit descriptions, and fabric details before ordering.

Need Help?

For size questions or personalized support, contact us at [email protected].