Assos Size Guide Page

ASSOS Size Guide

Fit

ASSOS apparel is cut to mirror your body on the bike, whether that's in our streamlined regularFit or second-skin racingFit. It's normal to feel bib straps and fabric pull while standing. When you move into the riding position, you'll feel the garment "click" into place — disappearing the moment you start pedaling.

Super Aero

An ultra-close, second-skin fit designed to minimize drag in aggressive riding positions, using highly compressive fabrics for maximum aerodynamic efficiency.

A tight feel is intentional.

Racing

A close, performance-oriented fit designed for high-intensity riding, using compressive fabrics for stability and support.

Compared to Regular, it will feel noticeably tighter by design.

Regular

A balanced technical fit combining comfort and performance, using moderately compressive fabrics for everyday support.

Supportive without the tight sensation of Racing styles.

Comfort

A relaxed, versatile fit with minimal compression, designed for freedom of movement and lasting comfort.

A relaxed feel prioritizing comfort and mobility.

Size Charts

All measurements are body measurements, not garment measurements. For best results, have someone else take your measurements while you stand straight.

Shorts / Knickers / Tights

Short

approx. 3 cm shorter than standard

Standard

regular cut, designed to suit most riders

Long

approx. 3 cm longer than standard

Men — measure narrowest part of waist, factor in height, reference hips

Men's shorts measurement diagram — measure at the waist

Size	Waist (cm / in)	Height (cm / in)	Hip (cm / in)
XS	70–74 / 27.5–29.1	155–170 / 61.2–66.9	89–95 / 35–37.4
S	75–80 / 29.2–31.5	165–178 / 65–70	94–100 / 37.5–39.4
M	81–86 / 31.6–33.8	173–188 / 68.1–74	99–106 / 39–41.7
L	87–92 / 33.9–36.2	178–190 / 70–74.8	105–110 / 41.3–43.3
XL	93–99 / 36.3–39	181–195 / 71.3–76.7	109–116 / 42.9–45.6
2XL (XLG)	100–106 / 39.1–41.7	185+++ / 72.8+++	115–121 / 45.3–47.6
3XL (TIR)	107+++ / 41.8+++	185+++ / 72.8+++	120+++ / 47.2+++

Women — measure fullest part of hips, factor in height

Women's shorts measurement diagram — measure at the hips

Size	Hip (cm / in)	Height (cm / in)
XS	80–86 / 31.5–33.8	145–160 / 58.1–63
S	87–93 / 33.9–36.6	155–168 / 61.2–66.1
M	94–100 / 36.7–39.4	163–178 / 64.2–70.1
L	101–107 / 39.5–41.1	168–180 / 66.1–70.8
XL	108–114 / 41.2–44.9	171–185 / 67.3–72.8
2XL (XLG)	115+++ / 45+++	175+++ / 68.9+++

Jerseys / Jackets / Shells

Men — measure fullest part of chest

Men's jersey measurement diagram — measure at the chest

Size	Chest (cm / in)	Height (cm / in)	Waist (cm / in)
XS	88–91 / 34.6–35.8	155–170 / 61.2–66.9	70–74 / 27.5–29.1
S	92–95 / 35.9–37.4	165–178 / 65–70	75–80 / 29.2–31.5
M	96–100 / 37.5–39.4	173–188 / 68.1–74	81–86 / 31.6–33.8
L	101–106 / 39.5–41.7	178–190 / 70–74.8	87–92 / 33.9–36.2
XL	107–113 / 41.8–44.5	181–195 / 71.3–76.7	93–99 / 36.3–39
2XL (XLG)	114–121 / 44.6–47.6	185+++ / 72.8+++	100–106 / 39.1–41.7
3XL (TIR)	122–129 / 47.7–50.8	185+++ / 72.8+++	107+++ / 41.8+++

Women — measure fullest part of chest

Women's jersey measurement diagram — measure at the chest

Size	Chest (cm / in)	Height (cm / in)
2XS (XXS)	< 77 / < 30.3	< 145 / < 58.1
XS	77–82 / 30.3–32.3	145–160 / 58.1–63
S	83–88 / 32.4–34.6	155–168 / 61.2–66.1
M	89–95 / 34.7–37.4	163–178 / 64.2–70.1
L	96–103 / 37.5–40.5	168–180 / 66.1–70.8
XL	104–111 / 40.6–43.7	171–185 / 67.3–72.8
2XL (XLG)	112+++ / 43.8+++	175+++ / 68.9+++

Base Layers / Tech T-Shirt / SeeMe Vest

Match your standard ASSOS jersey size with the corresponding numeral.

Base layer silhouettes — men's and women's

Size	Jersey Size
O	XS – S
I	M – L
II	XL – 2XL (XLG)

Cycling Bra (+ Women's Cropped Tank Skin Layer P1)

Match your standard ASSOS jersey size with the corresponding numeral.

Size	Jersey Size
O	2XS (XXS) – XS
I	S – M
II	L – XL

Headwear

For caps, hats, headbands, neck warmers/protectors and face masks, measure around your head just above your ears.

Caps & Headbands

Size	Head Circumference (cm / in)
O	48–53 / 19–21
I	51–58 / 21–23
II	59–63 / 23–25
OS	48–61 / 19–24

Winter / UZ Winter Face Mask / Spring Fall Rain Cap / Headband

Size	Head Circumference (cm / in)
I	48–56 / 19–22
II	57–63 / 22–25

Gloves

For gloves, measure around the widest part of your palm.

Size	Palm Circumference (cm / in)	GT Rain Gloves
2XS (XXS)	17–17.5 / 6.6–6.9	O
XS	17.5–18.5 / 6.9–7.3	O
S	18.5–20 / 7.3–7.9	I
M	20–22 / 7.9–8.6	I
L	22–23.5 / 8.6–9.2	II
XL	23.5–25.5 / 9.2–10	II
2XL (XLG)	25+ / 10+	III

Footwear (Socks, Booties & Overshoes)

For socks, match your cycling shoe size with the corresponding numeral.

Socks

Size	Cycling Shoe Size (EU / US)
O	35–38 / 3.5–6
I	39–42 / 6.5–9
II	43–46 / 9.5–12

Thermo Cover Socks

Size	Cycling Shoe Size (EU / US)
I	36–41 / 4–8.5
II	42–46 / 9–12

Booties and overshoes measurement diagram

Booties & Overshoes

Size	Cycling Shoe Size (EU / US)
O	36–39 / 4–6.5
I	40–43 / 7.5–9.5
II	44–47 / 10–12

Warmers & Protectors

Match your standard ASSOS apparel size with the corresponding numeral. (If you are between sizes and have a slim build, size down. If you have a larger build, size up.)

Warmers and protectors — leg warmers, knee warmers, arm warmers

Size	Standard Size
O	XS – S
I	M – L
II	XL – 2XL (XLG)

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ASSOS Size Guide