Name: Men's Free Aero RC Shorts
Brand: Castelli
Price: 137.99 CAD
Availability: InStock

Color — 010 Black

010 Black

Size

Size chart

XXXL

2 in stock
Backordered, shipping soon

$276.00 CAD $137.99 CAD

Shipping calculated at checkout.

Measurements are for guidance only. The fit may vary depending on the model. Trying it on is the best way to determine the correct fit.

How to measure

Chest : Measure around the widest part of the chest, under the armpits.

Size : Measure around the natural waist.

Hips : Measure around the widest part of the hips.

Crotch: Measure a pair of pants that fit you well, from the crotch to the ankle.

Sleeve length: Measure from the center of the back over the shoulder to the wrist.

Men's Tops

Size	Chest (cm)	Size (cm)	Sleeve length (cm)
XS	86 – 91	71 – 76	81
S	91 – 97	76 – 81	84
M	99 – 104	84 – 89	86
L	107 – 114	91 – 99	89
XL	117 – 124	102 – 109	91
XXL	127 – 135	112 – 119	91

Tops - Women

Size	Chest (cm)	Size (cm)	Hips (cm)
XS	84–86	64–66	89–91
S	86–89	66–69	91–94
M	91–95	71–74	97–99
L	99–103	77–81	104–109
XL	107–112	86–91	114–119
XXL	114–119	94–99	122–127

Bottoms - Men

Size	Size (cm)	Hips (cm)	Inseam – Regular (cm)
XS	71–76	86–91	81
S	76–81	91–97	81
M	84–89	99–104	83
L	91–99	107–114	83
XL	102–109	117–124	83
XXL	112–119	127–135	83

Bas - Femmes

Size	Size (cm)	Hips (cm)	Inseam – Regular (cm)
XS	64–66	89–91	78
S	66–69	91–94	78
M	71–74	97–99	80
L	77–81	104–109	80
XL	86–91	114–119	80
XXL	94–99	122–127	80

How to measure

Around the hand: Measure the circumference around the joints of your four fingers.

Hand length: Measure from the base of the wrist to the tip of the middle finger.

Gloves - Men's / Unisex

Size	Hand circumference (cm)	Hand length (cm)
XXS	14 - 15.5	11-13
XS	17-18	14-15
S	18-19	16-18
M	20-22	19 - 20
L	23-24	22-23
XL	24 - 25.4	24-25

Gloves - Women's

Size	Hand circumference (cm)	Hand length (cm)
S	17–18	14-15
M	18-19	16-18
L	20-22	19 - 20

How to choose the right size

User size: Measure your total height, barefoot, in an upright position.

Choosing the length: For optimal thermal performance, choose a bag whose length corresponds as closely as possible to your height, while still allowing a little space at the feet.

Sleeping bags - Length (Men's & Women's)

Bag size	User height (cm)	Internal length of the bag (cm)
Shorts	up to 163	183
Regular	up to 183	198
Long	up to 198	213

Coupe Homme / Femme

Kind	Cutting specifications
Homme / Unisexe	Largeur standard aux épaules, coupe droite adaptée aux morphologies masculines ou usage unisexe
Femme	Coupe plus étroite aux épaules, plus large aux hanches, isolation renforcée au niveau du torse et des pieds selon les modèles

Dimensions may vary depending on the Mountain Hardwear range (mountaineering, expedition, hiking). The sizes indicated correspond to the brand's general recommendations.

The measurements provided are for guidance only and are based on body measurements. The actual fit may vary depending on the garment's cut and the desired style. For the best choice, trying on the garment is always the best option.

Men's Tops

Size	Chest (cm)	Size (cm)	Sleeve length (cm)
XS	88 – 92	74 – 78	83
S	92 – 96	78 – 82	85
M	96-100	82 – 86	87
L	100 – 104	86 – 90	89
XL	104 – 108	90 – 94	91
XXL	108 – 112	94 – 98	93

Tops - Women

Size	Chest (cm)	Size (cm)	Hips (cm)
XS	80 – 84	62 – 66	86 – 90
S	84 – 88	66-70	90 – 94
M	88 – 92	70-74	94 – 98
L	92 – 96	74 – 78	98 – 102
XL	96-100	78 – 82	102 – 106

Bottoms - Men

Size	Size (cm)	Hips (cm)	Inseam – Regular (cm)
XS	74 – 78	90 – 94	80
S	78 – 82	94 – 98	81
M	82 – 86	98 – 102	82
L	86 – 90	102 – 106	83
XL	90 – 94	106 – 110	84
XXL	94 – 98	110 – 114	85

Bottoms - Women

Size	Size (cm)	Hips (cm)	Inseam – Regular (cm)
XS	62 – 66	86 – 90	76
S	66-70	90 – 94	77
M	70-74	94 – 98	78
L	74 – 78	98 – 102	79
XL	78 – 82	102 – 106	80

Gloves - Men's/Unisex

Size	Hand circumference (cm)	Hand length (cm)
XS	<17	15
S	17-20	18
M	20-23	20
L	23-25	23
XL	25-27	25
XXL	>27	28

The measurements shown are based on the body measurements used by Karpos. The fit may vary depending on the cut (Slim, Regular or Athletic) as well as the type of garment and the activity (mountaineering, skiing, hiking).

Men's Tops

Size	Chest (cm)	Size (cm)	Sleeve length (cm)
XS	85 – 91	67 – 74	76
S	91 – 98	74 – 80	79
M	98 – 105	80 – 88	81
L	105 – 113	88 – 95	84
XL	113 – 122	95 – 105	86
XXL	122 – 132	105 – 116	89
XXXL	132 – 142	116 – 127	91

Tops - Women

Size	Chest (cm)	Size (cm)	Hips (cm)
XXS	71 – 77	55 – 61	77 – 85
XS	77 – 84	61-67	85 – 91
S	84 – 90	67 – 74	91 – 98
M	90 – 98	74 – 81	98 – 105
L	98 – 105	81 – 89	105 – 113
XL	105 – 114	89 – 98	113 – 121
XXL	114 – 123	98 – 108	121 – 130
XXXL	123 – 133	108 – 118	130 – 140

Bottoms - Men's

Size	Size (cm)	Hips (cm)	Inseam – Regular (cm)
XS	75 – 79	90 – 94	81
S	79 – 84	94 – 97	81
M	84 – 88	97 – 103	83
L	88 – 95	103 – 110	83
XL	95 – 99	110 – 117	84
XXL	99 – 105	117 – 126	84
XXXL	105 – 116	126 – 135	84

Bottoms - Women

Size	Size (cm)	Hips (cm)	Inseam – Regular (cm)
XXS	55 – 61	77 – 85	79
XS	61-67	85 – 91	79
S	67 – 74	91 – 98	79
M	74 – 81	98 – 105	79
L	81 – 89	105 – 113	79
XL	89 – 98	113 – 121	79
XXL	98 – 108	121 – 130	79

How to measure

Hand circumference: Measure around the knuckles, excluding the thumb.

Hand length: Measure from the wrist to the tip of the middle finger

Gloves - Men's/Unisex

Size	Hand circumference (cm)	Hand length (cm)
XS	17.9 – 19.1	16.7 – 17.7
S	19.1 – 20.4	17.7 – 18.7
M	20.4 – 21.6	18.7 – 19.7
L	21.6 – 22.9	19.7 – 20.7
XL	22.9 – 24.1	20.7 – 21.7
XXL	24.1 – 25.4	21.7 – 22.7

Gloves - Women's

Size	Hand circumference (cm)	Hand length (cm)
S	17 – 18	13 – 17
M	19 – 20	18 – 19
L	20+	19 – 20

How to measure

Chest: Measure the full circumference of the chest, under the armpits.

Size: Measure around your natural waist.

Hips: Measure around the widest part of the hips.

Sleeve length: Measure from the center of the back, over the shoulder, to the wrist.

Crotch: Measure from the crotch to the ankle.

Foot length: Measure from the heel to the longest toe

Men's Tops

Size	Chest (cm)	Size (cm)	Sleeve length (cm)
S	83 - 91	71 - 78	86.5 - 87
M	91 - 99	78 - 85	87 - 87.5
L	99 - 107	85 - 92	87.5 - 88
XL	107 - 115	92 - 99	88-89
XXL	115 - 123	99 - 106	89 - 90
XXXL	123 - 133	106-116	90-91

Tops - Women

Size	Chest (cm)	Size (cm)	Hips (cm)
XS	76 - 82	58 - 64	84 - 90
S	82 - 88	64-70	90-96
M	88 - 94	70-76	96-102
L	94 - 100	76 - 82	102-107
XL	100 - 107	82-89	107 - 113

Bottoms - Men

Size	Size (cm)	Hips (cm)
XS	70-75	83 - 88
S	75-80	88 - 93
M	80-86	93 - 99
L	86 - 94	99 - 105.5
XL	94-102	105.5 - 112
XXL	102 - 110	112 - 118.5
XXXL	110 - 118	118.5 - 125

Bottoms - Women

Size	Size (cm)	Hips (cm)	Inseam – Regular (cm)
XS	62 – 66	86 – 90	76
S	66-70	90 – 94	77
M	70-74	94 – 98	78
L	74 – 78	98 – 102	79
XL	78 – 82	102 – 106	80

Gloves - Men's/Unisex

Size	Hand circumference (cm)	Hand length (cm)
XS	18.5	17
S	19.5	18
M	21	19
L	22.5	20
XL	23.5	21

How to measure

Chest : Measure the full circumference of the chest, under the armpits.

Size : Measure around your natural waist.

Hips : Measure around the widest part of the hips.

Sleeve length : Measure from the center of the back, over the shoulder, to the wrist.

Crotch : Measure from the crotch to the ankle.

Foot length : Measure from the heel to the longest toe.

Men's Tops

Size	Chest (cm)	Size (cm)	Sleeve length (cm)
XS	86 – 91	71 – 76	83
S	91 – 96	76 – 81	85
M	96 – 101	81 – 86	87
L	101 – 106	86 – 91	89
XL	106 – 111	91 – 96	91
XXL	111 – 116	96 – 101	93

Tops - Women

Size	Chest (cm)	Size (cm)	Hips (cm)
XS	78 – 82	62 – 66	86 – 90
S	82 – 86	66-70	90 – 94
M	86 – 90	70-74	94 – 98
L	90-94	74 – 78	98 – 102
XL	94 – 98	78 – 82	102 – 106

Bottoms - Men

Size	Size (cm)	Hips (cm)	Inseam – Regular (cm)
XS	71 – 76	86 – 91	81
S	76 – 81	91 – 96	82
M	81 – 86	96 – 101	83
L	86 – 91	101 – 106	84
XL	91 – 96	106 – 111	85
XXL	96 – 101	111 – 116	86

Bottoms - Women

Size	Size (cm)	Hips (cm)	Inseam – Regular (cm)
XS	62 – 66	86 – 90	76
S	66-70	90 – 94	77
M	70-74	94 – 98	78
L	74 – 78	98 – 102	79
XL	78 – 82	102 – 106	80

How to measure

Chest: Measure the full circumference of the chest, under the armpits.

Size: Measure around your natural waist.

Hips: Measure around the widest part of the hips.

Sleeve length: Measure from the center of the back, over the shoulder, to the wrist.

Crotch: Measure from the crotch to the ankle.

Foot length: Measure from the heel to the longest toe.

Men's Tops

Size	Chest (cm)	Size (cm)
S	88 - 91	74-77
M	92 - 99	78 - 85
L	100-107	86 - 93
XL	108 - 115	94-102
XXL	116 - 123	103 - 112
XXXL	122-131	113 - 121

Tops - Women

Size	Chest (cm)	Size (cm)	Hips (cm)
XXS	76-80	61-65	84 - 88
XS	81-85	66-70	89 - 93
S	86 - 91	71-75	94-99
M	92-97	76 - 81	100 - 105
L	98-106	82 - 90	106 - 114
XL	107 - 114	91 - 99	115 - 122
XXL	115 - 122	100 - 108	123 - 130

Bottoms - Men

Size	Size (cm)	Hips (cm)	Inseam – Regular (cm)
28	74-77	87-90	81
30	78-81	91-94	81.5
32	82-85	95-98	82
34	86-89	99-102	82.5
36	90-93	103-106	83
38	94-97	107-110	83.5
40	98-102	111-114	84
42	103-107	115-118	84.5

Bottoms - Women

Size	Size (cm)	Hips (cm)	Inseam – Regular (cm)
4	68-70	92-95	78
6	71-75	96-99	78
8	76-80	100-104	79
10	81-86	105-109	79
12	87-92	110-115	80

Gloves - Men's/Unisex

Size	Hand circumference (cm)	Hand length (cm)
5	18-19	16-17
6	19-20	17-18
7	20-21	18-19
8	21-22	19-20
9	22-23	20-21
10	23-24	21-22
11	24-25	22-23
12

How to measure

Chest : Measure around the widest part of the chest.

Size : Measure around your natural waist.

Hips : Measure around the widest part of the hips.

Crotch : Measure from the crotch to the ankle.

Men's Tops

Size	Chest (cm)	Size (cm)
S	91 – 96	76 – 81
M	97 – 102	82 – 87
L	103 – 108	88 – 93
XL	109 – 114	94 – 99
XXL	115 – 120	100 – 105

Tops - Women

Size	Chest (cm)	Size (cm)	Hips (cm)
XS	78 – 82	60-64	86 – 90
S	83 – 87	65–69	91 – 95
M	88 – 92	70-74	96-100
L	93 – 97	75 – 79	101 – 105
XL	98 – 102	80 – 84	106 – 110

Bottoms - Men

Size	Size (cm)	Hips (cm)	Inseam – Regular (cm)
S	76 – 81	91 – 96	80
M	82 – 87	97 – 102	82
L	88 – 93	103 – 108	84
XL	94 – 99	109 – 114	86
XXL	100 – 105	115 – 120	88

Bottoms - Women

Size	Size (cm)	Hips (cm)	Inseam – Regular (cm)
XS	60-64	86 – 90	76
S	65–69	91 – 95	78
M	70-74	96-100	80
L	75 – 79	101 – 105	82
XL	80 – 84	106 – 110	84

Gloves - Men's/Unisex

Size	Hand circumference (cm)	Hand length (cm)
S	19 – 20	18
M	20-22	19
L	22 – 23	20
XL	23-25	21

Gloves - Women's

Size	Hand circumference (cm)	Hand length (cm)
XS	16-17	16
S	17 – 18	17
M	18 – 19	18
L	19 – 20	19
XL	20-21	20

Men's Tops

Size	Chest (cm)	Sleeve length (cm)
XS	83.8-86.4	81.3
S	88.9-94	83.8
M	96.5-101.6	86.4
L	104.1-109.2	88.9
XL	111.8-116.8	91.4
XXL	119.4-124.5	94

Tops - Women

Size	Chest (cm)	Size (cm)	Hips (cm)
XXS	81.3
XS	83.8-86.4
S	88.9-91.4
M	94-96.5
L	99.1-101.6
XL	104.1-109.2
XXL	109.2-114.3

Bottoms - Men

Size	Size (cm)	Hips (cm)	Inseam – Regular (cm)
28-29	76.2-78.7
30-31	81.3-83.8
32-33	86.4-88.9
34-35	91.4-94
36-38	96.5-101.6
40-42	106.7-111.8

Bottoms - Women

Size	Size (cm)	Hips (cm)
00	61	87.6
0-2	63.5-66	90.2-92.7
4-6	68.6-71.1	95.3-97.8
8-10	73.7-76.2	100.3-102.9
12-14	78.7-81.3	105.4-113
16	83.8-88.9	115.6-120.7
18	88.9-94	123.2-125.7

The measurements shown are provided as a general guide and are based on body measurements. Actual fit may vary depending on the garment’s cut and intended style. For the best fit, trying the item on remains the most reliable option.

How to measure

Chest: Measure the full circumference of the chest, under the armpits.

Size: Measure around your natural waist.

Hips: Measure around the widest part of the hips.

Sleeve length: Measure from the center of the back, over the shoulder, to the wrist.

Crotch: Measure from the crotch to the ankle.

Foot length: Measure from the heel to the longest toe.

Men's Tops

Size	Chest (cm)	Size (cm)	Sleeve length (cm)
XS	87	74.9	78.1
S	93	81	80
M	99.1	87	81.9
L	104.9	93	84.1
XL	111	99.1	86
XXL	119.1	107	87.9
XXXL	127	114.9	90.5

Tops - Women

Size	Chest (cm)	Size (cm)	Hips (cm)
XS	81.9	64.1	89.9
S	88	69.9	95.9
M	94	75.9	101.9
L	100	81.9	108
XL	106	88	114
XXL	114	95.9	121.9

Bottoms - Men

Size	Size (cm)	Hips (cm)	Inseam – Regular (cm)
XS	74.9	88.9	81.9
S	81	94.9	83
M	87	101	85.4
L	93	107	87.9
XL	99.1	113	89.9
XXL	107	121	92.1
XXXL	115	129	94

Bottoms - Women

Size	Size (cm)	Hips (cm)	Inseam – Regular (cm)
XS	64.1	89.9	79.1
S	69.9	95.9	80.6
M	75.9	101.9	81.9
L	81.9	108	85.1
XL	88	114	86.4
XXL	95.9	121.9	78.7
XXXL	127	142.2

Gloves - Men's/Unisex

Size	Hand circumference (cm)	Hand length (cm)
XXS	15.2
XS	17.8
S	20.3
M	22.9
L	25.4
XL	27.9
XXL	30.5

Men's Tops

Size	Chest (cm)	Size (cm)
XS	86	76
S	94	80
M	96	84
L	104	88
XL	108	93
XXL	110	98
XXXL	115	103

Tops - Women

Size	Chest (cm)	Size (cm)	Hips (cm)
XS	79	63	87
S	84	68	92
M	89	73	97
L	94	78	102
XL	99	83	107

Bottoms - Men

Size	Hips (cm)	Inseam – Regular (cm)
XS	90	81
S	94	82
M	98	83
L	102	84
XL	107	85
XXL	112	86
XXXL	117	87

Bottoms - Women

Size	Size (cm)	Hips (cm)	Inseam – Regular (cm)
XS	63	87	75
S	68	92	76
M	73	97	77
L	78	102	78
XL	83	107	79

All prices are displayed including taxes.

The amount shown is the final price you pay at checkout (shipping fees may apply).

Free shipping on all orders of $200 or more, in Canada and the United States.

Orders ship within 48 hours.

Enjoy 14-day returns after delivery.

Items must be new, unworn, and with original tags attached.

More details

Taxes included

All prices are displayed including taxes.

The amount shown is the final price you pay at checkout (shipping fees may apply).

Free shipping on all orders of $200 or more, in Canada and the United States.

Orders ship within 48 hours.

Enjoy 14-day returns after delivery.

Items must be new, unworn, and with original tags attached.

More details

Free shipping over $200

All prices are displayed including taxes.

The amount shown is the final price you pay at checkout (shipping fees may apply).

Free shipping on all orders of $200 or more, in Canada and the United States.

Orders ship within 48 hours.

Enjoy 14-day returns after delivery.

Items must be new, unworn, and with original tags attached.

More details

Easy & fast returns

The Castelli Free Aero RC Short is the brand's top-of-the-line racing bib short, designed to deliver maximum performance without compromising comfort. Developed over 15 years and proven at the highest professional level, it excels in both competition and long, demanding rides. Its minimalist design reduces seams and panels for a feeling of total freedom. It's a bib short designed to disappear once you put it on, while still providing effective muscle support.

Main features

Forza 2 high-compression fabric for excellent muscle support
Reduced panel construction for greater freedom of movement
Progetto X2 Air Seamless chamois for long-distance comfort
Leg finish without seizing or silicone
Stitched and embossed logos for maximum durability
Reflective details on the back of the legs

Materials

Main fabric: 68% polyamide / 32% elastane (Lycra®)
Insert: multi-density foam with integrated Skin Care layer

Strengths

✔️ Optimal muscle compression thanks to high-modulus Forza 2 fabric
✔️ Long-distance comfort with the Progetto X2 Air Seamless chamois
✔️ Increased feeling of freedom with only 5 panels and fewer seams
✔️ Perfect support without silicone thanks to innovative leg finishes
✔️ Enhanced durability with stitched logos and embossed elements
✔️ Enhanced safety thanks to rear reflective details

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Men's Free Aero RC Shorts

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Men's Free Aero RC Shorts

250+ reviews

Simon Ward

Gabriel Petit

Camille Perras

Gabrielle Caron

Evelyn Wong

Jacob Dorais