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Castelli INEOS Grenadiers Free Aero Race 4 Bib Shorts

£150.00

The INEOS Grenadiers Free Aero Race 4 Bib Shorts draws on 12 years of aero bib short evolution to deliver riding perfection... Read more

Colour	Savile BlueSavile Blue
Size	SS MM LL XLXL XXLXXL 3XL3XL

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The leg gripper features a lie-flat raw-cut edge but now has vertical silicone stripes to keep it in place without restricting stretch and leg movement.\u003c\/p\u003e\n\u003cp\u003eCastelli has completely redesigned the short's panelling to improve fit and support while also making the short look even cleaner. The bib straps have re-engineered the bib straps with new lighter, more breathable material so they stay cooler, lie flatter and are more durable. A new loop for a race radio microphone has been added at the request of team riders.\u003c\/p\u003e\n\u003cp\u003eThe Free Aero Race 4 Bib Short uses Castelli's pro-level Progetto X\u003csup\u003e2\u003c\/sup\u003e Air seamless seat pad, which features a two-piece design. Thanks to Castelli's advanced use of fabric technologies, the supportive foam core is slightly narrower and smaller than before. Flexibility and elasticity mean it sits exactly where it needs to be.\u003c\/p\u003e\n\u003cp\u003eThe upper layer of the seat pad is dimpled to reduce full skin contact, encouraging air to drive moisture away from the body. It's also more elastic so it doesn't fold while the finish is the softest ever on a pair of Castelli shorts.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVortex dimpled fabric on legs for aero performance\u003c\/li\u003e\n\u003cli\u003eForza fabric on inner legs with 38% Lycra® content for the perfect fit\u003c\/li\u003e\n\u003cli\u003eStripe mesh engineered minimalist bib construction keeps you cool\u003c\/li\u003e\n\u003cli\u003eGiro4 leg gripper elastic for better grip distributed over a larger area\u003c\/li\u003e\n\u003cli\u003eDoppio V construction in front for increased support and comfort\u003c\/li\u003e\n\u003cli\u003eFlat-lock stitching\u003c\/li\u003e\n\u003cli\u003eProgetto X2 Air Seamless seat pad\u003c\/li\u003e\n\u003cli\u003e15˚ – 35˚C\u003c\/li\u003e\n\u003cli\u003eWeight 172g (Large)\u003c\/li\u003e\n\u003c\/ul\u003e"}

*Couriers may have slight delays due to COVID-19. View our latest status updates.

SKU: CS40310064142

DESCRIPTION

SIZE GUIDE

REVIEWS

DESCRIPTION

PRODUCT DETAILS

The INEOS Grenadiers Free Aero Race 4 Bib Shorts draws on 12 years of aero bib short evolution to deliver riding perfection.

The Vortex dimpled fabric on the legs stops air attaching to the fabric so that air slips by easily. The leg gripper features a lie-flat raw-cut edge but now has vertical silicone stripes to keep it in place without restricting stretch and leg movement.

Castelli has completely redesigned the short's panelling to improve fit and support while also making the short look even cleaner. The bib straps have re-engineered the bib straps with new lighter, more breathable material so they stay cooler, lie flatter and are more durable. A new loop for a race radio microphone has been added at the request of team riders.

The Free Aero Race 4 Bib Short uses Castelli's pro-level Progetto X² Air seamless seat pad, which features a two-piece design. Thanks to Castelli's advanced use of fabric technologies, the supportive foam core is slightly narrower and smaller than before. Flexibility and elasticity mean it sits exactly where it needs to be.

The upper layer of the seat pad is dimpled to reduce full skin contact, encouraging air to drive moisture away from the body. It's also more elastic so it doesn't fold while the finish is the softest ever on a pair of Castelli shorts.

Key Features

Vortex dimpled fabric on legs for aero performance
Forza fabric on inner legs with 38% Lycra® content for the perfect fit
Stripe mesh engineered minimalist bib construction keeps you cool
Giro4 leg gripper elastic for better grip distributed over a larger area
Doppio V construction in front for increased support and comfort
Flat-lock stitching
Progetto X2 Air Seamless seat pad
15˚ – 35˚C
Weight 172g (Large)

ABOUT Castelli

Castelli Cycling is the most innovative, stylish and prestigious cycling clothier in the world. Decades of pro cycling development and a passion for perfection in materials, cut and performance has seen the brand reinvent cycle wear time after time. From the first Lycra shorts to sublimated printing, the game-changing Gabba and aerodynamic apparel, Castelli continues to set a path that others can only follow while maintaining generations of Italian heritage. Read more about Castelli.

ABOUT SADDLEBACK

Founded by real cycling enthusiasts in 2004, our passion for elite performance runs through everything we do at Saddleback. Our team of dedicated roadies, mountain bikers and triathletes practice what we preach to bring you the finest cycling products and a superior service to match. We're the official UK home of Castelli, Chris King, ENVE, HJC, Moots Cycles, PUSH, Sidi, Silca, Sportful, Stages, Troy Lee Designs and Wolf Tooth.

SIZE GUIDE

Castelli Size Guide

Men's Sizing

	A - Chest	B - Waist	C - Hips	D - Inseam
XS	88cm	76cm	90cm	81cm
S	92cm	80cm	94cm	82cm
M	96cm	84cm	98cm	83cm
L	100cm	88cm	102cm	84cm
XL	105cm	93cm	107cm	85cm
2XL	110cm	98cm	112cm	86cm
3XL	115cm	104cm	116cm	87cm

Men's and unisex Castelli sizing is based on your physical measurements and the garment's intended use. Race items are designed to use fabric stretch to achieve a very snug fit; as such physical garment sizes vary within the range. Please don't compare sizing with other manufactures. The sizes shown above are for the maximum size, so someone with a 99cm chest would be a size L. If you have a 101cm chest then you're an XL.

Women's sizing

	A - Chest	B - Waist	C - Hips	D - Inseam
XS	79cm	63cm	87cm	75cm
S	84cm	68cm	92cm	76cm
M	89cm	73cm	97cm	77cm
L	94cm	78cm	102cm	78cm
XL	99cm	83cm	107cm	79cm

Women's Castelli sizing is based on your physical measurements and each garment's intended use.

Racier items are designed to use fabric stretch to achieve a very snug fit, as such physical garment sizes may vary within the range. Please do not compare sizing with other manufactures.

Please note that sizes shown above represent the maximum size for the garment, so someone with a 88cm bust would be a size M or if you have a 91cm bust you are a size L. You do not need to size up for jackets or vests.

SIZE GUIDE

Castelli Gloves Size Guide

Men's Gloves

	E - Circumference in CM
XS	< 18.4cm
S	18.4 - 20.3cm
M	20.3 - 22.2cm
L	22.2 - 24.1cm
XL	24.1 - 26cm
2XL	> 26cm

Women's Gloves

	E - Circumference in CM
XS	< 16.6cm
S	16.6 - 18.4cm
M	18.4 - 20.2cm
L	20.2 - 22cm
XL	> 22cm

Glove sizing uses the physical measurement around your hand as displayed above. Gloves should be snug: if you find the palm fits loose when in the cycling position you will probably need to size down. Always use the pull tags to pull on and remove the gloves. If there are no pull tabs fitted, roll the gloves off so they end up inside out.

SIZE GUIDE

Castelli Socks Size Guide

Men's Socks

Castelli Size	S/M	L/XL	2XL
F - Mens Euro Shoe Size	36-39	40-43	44-47

Please select your sock size based on your euro shoe size. If you are between sizes, we recommend you size up.

Women's Socks

Castelli Size	S/M	L/XL
F - Women's Euro Shoe Size	35-38	39-41

Please select your sock size based on your euro shoe size. If you are between sizes, we recommend you size up.

SIZE GUIDE

Castelli Overshoes Size Guide

Overshoes

CASTELLI SIZE	XS	S	M	L	XL	2XL
F - Men's EU Shoe Size	-	36-39	40-42	43-44	45-46	46-48
F - Women's EU Shoe Size	35-37	37-39	39-42	-	-	-

Castelli shoe covers are designed around an EU shoe size that will fit snugly over a sleek road racing shoe of the corresponding size. If your road shoes are bulky, wider than traditionally narrow Italian shoes such as Sidi, or shoes that feature adjustable heels or dial-style closures then consider sizing up.

If you have a side dial-style closure we don't recommend a side zippered shoe cover, instead choose a design with choose a rearward zipper.

If your shoes are designed for touring, commuting or mountain biking please select an All-Road shoe cover as Castelli's standard shoe covers will not fit this style of shoe.

Shoe Covers (unisex)

CASTELLI SIZE	S/M	L/XL	2XL
F - Euro Shoe Size	36-40	40-44	44-48

Multi-size Castelli shoe covers will fit snuggly on most shoes in the suggested range. However, please consider sizing up if your shoes are wider than standard or have large exterior dial-style buckles or if you are towards the top end of a size on the guide above.

So for example if you have a wide fitting shoe with external buckles and are size 44, consider a 2XL cover rather than squeezing into a L/XL cover.

As with Castelli overshoes, If you have a side dial-style closure we don't recommend a side zippered shoe cover, instead choose a design with choose a rearward zipper.

If your shoes are designed for touring, commuting or mountain biking please select an All-Road shoe cover as Castelli's standard shoe covers will not fit this style of shoe.

SIZE GUIDE

Castelli Warmers Size Guide

Jersey/Short Size	Your Weight	Suggested Warmer Size
XS-S	45-60KG	S (WOMAN)
S-M	45-60KG	S (MAN)
S-M	60-70KG	M
L-XL	70-80KG	L
2XL-3XL	>80KG	XL

Castelli warmer sizing relates to your jersey or short size and your body weight.

Warmers have a lot of stretch and for designs incorporating Thermoflex fabric, you can size down.

However, we would not recommend sizing down for Nano Flex and Nano Flex Plus products.

SIZE GUIDE

Castelli Casualwear Size Guide

MENS	XS	S	M	L	XL	2XL	3XL
CHEST - CM	88	92	96	100	105	110	115
WAIST - CM	76	80	84	88	93	98	103
HIPS - CM	90	94	98	102	107	112	117
INSEAM - CM	81	82	83	84	85	86	87

WOMENS	XS	S	M	L	XL
CHEST - CM	79	84	89	94	99
WAIST - CM	63	68	73	78	83
HIPS - CM	87	92	97	102	107
INSEAM - CM	75	76	77	78	79

Castelli casual clothing is designed to give a loose fit when correlated to your jersey size. So if you wear a Gabba in L, you will achieve a casual loose fit with a L-sized T-shirt. Bearing this in mind, if you prefer a closer fit you may wish to size down.

For shorts and trousers, please select the same size as you would for bibshorts or tights. Women's T-shits and hoodies are designed for the female form. All other casual pieces are designed to be suitable for both men and women.

SIZE GUIDE

Castelli Bras Size Guide

G Under Bust Measurement in CM	68-72	73-77	78-82	83-87	88-89
Light Bra A & B Cup Sizes	XS	S	M	L	XL
Support Bra C & D Cup Sizes	XS	S	M	L	XL

The Light Bra is designed for A and B cup sizes only. The Bellissimo bra is designed for B and C cup sizes only. The Support Bra is designed for C and D cup sizes only.

Please note these are cycling bras and are designed to offer light support and maximum breathability on a bike. They should not replace a sports bra for high impact sports.

To determine your frame size measure under the bust as indicated. To calculate your cup size measure around the fullest part of the bust. If the difference is less than 15cm, you will require the Light Bra. If the difference is greater than 15cm but less than 20cm, we recommend the support Bra. If the difference is greater than 20cm we would recommend you buy a commercially available sports bra.

SIZE GUIDE

CHPT3 Size Guide

CHPT3 – Tailored Sizing (pre-2020)

Chest	Inch	CM	Waist	Inch	CM
A - 36	36	91.5	B - 29	29	73.5
A - 38	38	96.5	B - 30	30	76
A - 39	39	99	B - 31	31	78.5
A - 40	40	101.5	B - 32	32	81
A - 41	41	104	B - 33	33	83.5
A - 42	42	106.5	B - 34	34	86
A - 44	44	111.5	B - 36	36	91

CHPT3 clothing uses a tailoring system for its sizes. The physical chest or waist size is used as the garment size. If you have a 40" chest, you will need a 40" jersey. Please note that while the CHPT3 range is not designed for racing, it is still a close fitting athletic design suitable for active cyclists.

CHPT3 - 2020 range onwards

	A - Chest	B - Waist	C - Hips	D - Inseam
XS	88cm	76cm	90cm	81cm
S	92cm	80cm	94cm	82cm
M	96cm	84cm	98cm	83cm
L	100cm	88cm	102cm	84cm
XL	105cm	93cm	107cm	85cm
2XL	110cm	98cm	112cm	86cm
3XL	115cm	104cm	116cm	87cm

SIZE GUIDE

Sidi Cycling Shoes Size Guide

Sidi EU Size	UK Size	US Size	Length (cm)
35	13	1	23
35.5	13	1	23
36	1	2	23.5
36.5	1	2	23.5
37	2	3	24
37.5	2	3	24
38	3	4	24.5
38.5	3	4	24.5
39	4	5	25
39.5	4	5	25
40	5	6	25.5
40.5	5	6	25.5
41	6	7	26
41.5	6	7	26
42	7	8	26.5
42.5	7	8	26.5
43	8	9	27
43.5	8	9	27
44	9	10	27.5
44.5	9	10	27.5
45	10	11	28
45.5	10	11	28
46	11	12	28.5
46.5	11	12	28.5
47	12	13	29
47.5	12	13	29
48	13	14	29.5

Sidi fitting guide

Like many handcrafted Italian shoes, Sidi cycling shoes feature a slim fit, the equivalent of a ‘D’ width. In our experience, if you’re usually a 45 in cycling shoes, you’ll be a 45 in Sidi shoes.

However, you also have the option of Sidi’s half sizes. These use the same length soles as the main size (i.e. 45 and 45.5 are the same length) but use a larger volume upper. This is perfect if you need a touch more width, have slightly higher arches or use an insole that takes up some of the volume of your shoe.

The volume and fit of the shoe is also affected by the closure system utilised. We’ve found that the combination of a central dial with the Soft Instep 4 strap means the Sidi Wire 2 has a slightly roomier toebox than the rest of the range, making it ideal for those seeking Italian styling with a little extra wiggle room.

If you need more volume, Sidi’s range of Mega fit shoes feature soles that are 4mm wider and have larger uppers for those with higher volume feet or deep orthotics.

Of course, everyone’s feet are different and slipping the shoes on will give you the best idea. We’d recommend trying them on towards the end of the day or even after a long ride to give your feet a chance to swell to their maximum size.

If your toes are brushing the end of the shoe, they’re too small. If you stand on tiptoes and the heel of the shoe doesn’t lift with the heel of your foot, creating a gap, they’re too big.

SIZE GUIDE

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TLD A1/A2 Helmet Size Guide

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SIZE GUIDE

Sportful Clothing Size Guide

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