Reference · Sizing

Sizing guide

Cross-brand, cross-gender, cross-country. Every conversion you need to buy a musician and designer collab in your size, regardless of the system the listing uses.

Quick converter

I know my size in

Size

Country conversion

Every system, side by side

Footwear · Men's

US	UK	EU	JP	CM
6	5.5	38.5	24	24
6.5	6	39	24.5	24.5
7	6.5	40	25	25
7.5	7	40.5	25.5	25.5
8	7.5	41	26	26
8.5	8	42	26.5	26.5
9	8.5	42.5	27	27
9.5	9	43	27.5	27.5
10	9.5	44	28	28
10.5	10	44.5	28.5	28.5
11	10.5	45	29	29
11.5	11	45.5	29.5	29.5
12	11.5	46	30	30
13	12.5	47.5	31	31

Footwear · Women's

US	UK	EU	JP	CM
5	3	35.5	22	22
5.5	3.5	36	22.5	22.5
6	4	36.5	23	23
6.5	4.5	37	23.5	23.5
7	5	37.5	24	24
7.5	5.5	38	24.5	24.5
8	6	38.5	25	25
8.5	6.5	39	25.5	25.5
9	7	40	26	26
9.5	7.5	40.5	26.5	26.5
10	8	41	27	27
10.5	8.5	42	27.5	27.5
11	9	42.5	28	28

Clothing · Tops

US	UK	EU	IT	FR	Intl
XS	XS	32-34	36-38	34-36	XS
S	S	36-38	40-42	38-40	S
M	M	40-42	44-46	42-44	M
L	L	44-46	48-50	46-48	L
XL	XL	48-50	52-54	50-52	XL
XXL	XXL	52-54	56-58	54-56	XXL

Tops cover most casual menswear and womenswear collabs. Italian luxury sizing for menswear (HA HA HA) uses a separate scale, see below.

Italian menswear · Used by Gucci HA HA HA and most Italian luxury

IT	US (men)	US (women)	Chest
IT 44	XS	US 2-4	34in / 86cm
IT 46	S	US 6-8	36in / 91cm
IT 48	M	US 8-10	38in / 96cm
IT 50	L	US 10-12	40in / 101cm
IT 52	XL	US 14-16	42in / 106cm
IT 54	XXL	US 16-18	44in / 111cm

Italian menswear sizing is the gold-standard reference for women shopping HA HA HA. IT 46 (S) fits women's US 6 to 8.

Cross-gender

Women shopping menswear, men shopping womenswear

Brand	Size gap	Conversion
Adidas	1 sizes	Women's EU 38 = Men's EU 37. Subtract 1 EU size from women's to get men's.
Gucci	-	Gucci uses separate men's and women's EU sizing. Use the brand chart.

Brand fit notes

What runs true, snug, and large

Quick reference per brand. For full per-collab details, see the collection page or the designer page.

Gucci

Italian sizing. IT 46 / 48 / 50 / 52 map to S / M / L / XL
Women shopping menswear: IT 46 fits roughly a women's US 6 to 8
HA HA HA tailoring runs relaxed and slightly long

adidas

Apparel true to size
Original Forever is unisex and relaxed
Footwear runs about a half size large on some models

adidas Spezial

UK-sized footwear; listings usually quote the UK size first
US men's is the UK size plus 0.5; EU equivalents are in the footwear table above (UK 8 = US 8.5 = EU 42)
Men's or unisex unless a listing says women's

Stella McCartney

Designer ready-to-wear in EU / IT sizing, women's and men's
True to size; some knits are deliberately oversized

Alice + Olivia

US contemporary women's sizing, 0 to 14
Fitted shift silhouettes, true to size

Comme des Garçons

Japanese sizing, runs small; size up
Cotton tees shrink about one size after the first wash

Eton

Formal shirts sized by collar (neck), roughly 38 to 46 cm or 15 to 18 in
Slim and contemporary fits differ; check the listing for the cut

Section 119

Standard US apparel sizing, S to XXL
Relaxed and true to size

Selfridges heritage brands

Nigel Cabourn: UK sizing, workwear cuts, runs large
Barbour: true to size; size up to layer underneath
C.P. Company: Italian sizing, slim
Snow Peak: Japanese sizing, runs small
Sage Nation: UK sizing

Eyewear fit

Frames are measured, not sized

Eyewear fit is frame measurements (lens width, bridge, temple), not clothing sizes
Finlay & Co. wayfarer-style frame: about 13.5 cm wide and 4.5 cm high
Finlay & Co. Chiltern: steel nose bridge with adjustable pads

Sizing varies by collection within a brand, these are general guidelines. For a specific piece, check the collection page for the per-collab sizing note. Besot cannot guarantee fit; when in doubt, consult the platform listing's measurements.