Chest: Measure the fullest part of your chest, under the armpits, keeping your arms straight down at your sides.
Waist: Measure the natural circumference of your waist, which corresponds to the natural curve of your body, i.e. the hollow between your hips and ribs.
Hips: The measurement of the fullest part of the pelvis.
Inseam: The measurement from the sole of the foot to the crotch.
Height: Measure the length from the soles of the feet to the top of the head.
Tip: Giro cycling clothing is designed to be fitted. If you are unsure between two sizes, we recommend selecting the larger size.|> Hand length: Measure the length from the wrist to the tip of the middle finger. Palm circumference: Measure the circumference of the palm of your strongest hand at the widest point, at the base of the knuckles. Head circumference: Measure the circumference of the skull at the back of the head, 1 cm above the eyebrows.Tops
Men
Sizes Chest Sleeves S(35) 83.8 - 88.9 cm 86.4 cm M(38) 91.4 - 96.5 cm 88.9 cm L(41) 99.1 - 104.1 cm 91.4 cm XL(44) 106.7 - 111.8 cm 92.7 cm XXL (47) 114.3 - 119.4 cm 94.0 cm Women
Sizes Chest Sleeves XXS(2) 76.2 - 78.7 cm 77.4 cm XS(4) 81.3 - 83.8 cm 78.7 cm S(6) 86.4 - 88.9 cm 80.0 cm |> M(8) 91.4 - 94.0 cm 81.3 cm L(10) 96.5 - 99.1 cm 82.6 cm XL(12) 101.6 cm 83.8 cm 
Bottom
Men
Sizes Size Inseam 28(XS) 69.9 - 72.4 cm 80.0 cm 30(S) 74.9 - 77.5 cm 80.0 cm 32(M) 80.0 - 82.6 cm 82.6 cm 34(L) 85.1 - 87.6 cm 85.1 cm 36(XL) 90.2 - 92.7 cm 87.6 cm 38 (XXL) 95.3 - 97.8 cm 87.6 cm Women
Sizes Waist Hips Inseam 2(XXS) 58.4 - 60.9 cm 83.8 - 86.3 cm 77.5 cm 4 (XS) 63.4 - 66.0 cm 88.9 - 91.4 cm 77.5 cm 6(S) 68.6 - 71.1 cm 94.0 - 96.5 cm 78.7 cm 8(M) 73.7 - 76.2 cm 99.1 - 101.6 cm 78.7 cm 10(L) 78.7 - 81.3 cm 104.1 - 106.7 cm 80.0 cm 12(XL) 83.8 cm 109.2 cm 80.0 cm 
Gloves
Sizes Palm circumference Hand length XS 178 mm 174 mm or - S 178 - 203 mm 175 - 180 mm M 203 - 229 mm 175 - 180 mm |> L 229 - 248 mm 189 - 199 mm XL 248 - 267 mm 200 - 210 mm XXL 267 mm or more 211 mm or more 
Helmet
Super fit
Sizes th>CM|>/tr>|> XS 47 - 51 cm S 51 - 55 cm M 55 - 59 cm L 59 - 63 cm XL 61 - 65 cm 
Universal
Sizes CM Adult 54 - 61 cm Women 50 - 57 cm XL 58 - 65 cm Teenager 50 - 57 cm Child 50 - 55 cm 
Young
Sizes CM S/M 46 - 50 cm M/L 50 - 54 cm Baby 48 - 52 cm
