Is this racing jacket comfortable for long track days with pre-curved sleeves and CE armor?

Yes. The jacket is designed for comfort on long track days. It uses pre-curved sleeves to match a natural riding position, reducing forearm fatigue. The shell is 1.2–1.3 mm drum-dyed cowhide for abrasion resistance you can feel. Armor is CE-certified and removable at shoulders, elbows, and back for customization. A breathable polyester mesh lining helps keep you cooler when riding in heat. The exterior features YKK zippers for secure closures that last. The overall fit is tailored yet flexible thanks to stretch panels in key areas. It’s ideal for serious sport riders who log long track sessions.

What size should I order for a snug riding fit with removable CE shoulder, elbow, and back protectors?

Yes, start with your normal riding jacket size and check the size chart. The pre-curved sleeves and armor add bulk, so you may want to size up if between measurements. Use a tape measure for chest and waist, then compare to the chart. If you ride with additional back protection or prefer a loose fit for warm weather, consider sizing up one size. The armor is removable, so you can customize the protection level without changing the fit too much. For track days, ensure there is room to move shoulders and elbows and still zip up securely. This jacket suits riders who want a snug yet flexible fit.

How breathable is the 100% polyester mesh lining, and does it vent well in hot riding conditions?

Yes, the mesh lining promotes airflow and cooling during warm rides. The lining wicks moisture away from your skin so you stay dry. Breathability matters because heat can affect comfort and focus. With a breathable shell and mesh interior, you’ll feel less cling during long sessions. The removable armor lets you tailor protection without sacrificing ventilation. For hot climates or summer track days, this setup helps you stay comfortable while staying safely protected. It’s a good match for endurance riders and casual track day enthusiasts alike. The overall design prioritizes comfort as throttle response requires focus.

Do the external knee sliders and Kevlar-look Cordura panels affect mobility and protection on the track?

Yes, these features are designed to protect without hindering movement. The CE-approved external knee sliders guard the knee during aggressive lean angles on the track. They’re positioned to align with the natural knee contact point for optimal coverage. The Kevlar-look Cordura panels on the sleeves add stretch and resilience, helping you reach and maneuver without binding. This combination supports riders who push hard on sport bikes while needing durable durability. It’s especially good for track day enthusiasts and sport riders who value flexible armor and long-lasting panels. They also withstand abrasion in the event of a slide. The design aims to balance protection with comfort.

How does this Yamaha MotoGP jacket compare to similar racing jackets in price and protection?

Yes, this jacket delivers strong protection and solid value among race-style leather jackets. The top-grain cowhide offers abrasion resistance; YKK zippers secure closures for long life. CE-approved removable shoulder and elbow protectors, plus a CE-approved removable back protector with an integrated spine hump on the track. Quality safety stitching throughout adds durability. Kevlar-look stretchable Cordura panels provide flexible movement. This jacket is ideal for riders who want race-ready gear without a premium-tele price. While some jackets offer similar armor, this model blends protection with a breathable mesh lining and a track-focused spine hump. If you ride on weekends or compete, it offers a balanced mix of protection, comfort, and value.

Yamaha Leather Jacket Jack Miller MotoGP 2025

Made to Order

SKU

BMLJ-JKM2025

Special Price $466.86 Regular Price $583.58

Choose from the following product options to order custom made Yamaha Leather Jacket Jack Miller MotoGP 2025

Size

Check our **Size Guide** to find the most accurate measurements and choose the best size for you.

Speed Hump

Perforation

Matching Gear

Gloves + $171.64

Gloves Size

Order Instructions

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Size Guide

Jacket Size (Men)

PRODUCT SIZE	CONVERSION GUIDE		BODY MEASUREMENTS
			A	B	C	D	E
U.S. SIZE	EU SIZE	INTL SIZE	NECK (CM)	SLEEVE (CM)	CHEST (CM)	WAIST (CM)	HEIGHT (CM)
32	42	XS	36.0	55.1	84.0	72.0	165.0
34	44	S	37.0	56.2	88.0	76.0	168.0
36	46	S	38.0	57.3	92.0	80.0	171.0
38	48	M	39.0	58.4	96.0	84.0	174.0
40	50	M	40.0	59.5	100.0	88.0	177.0
42	52	L	41.0	60.4	104.0	92.0	180.0
44	54	L	42.0	61.2	108.0	96.0	183.0
46	56	XL	43.0	62.1	112.0	100.0	186.0
48	58	XL	44.0	62.3	116.0	104.0	187.0
50	60	XXL	45.0	62.6	120.0	108.0	188.0

PRODUCT SIZE	CONVERSION GUIDE		BODY MEASUREMENTS
			A	B	C	D	E
U.S. SIZE	EU SIZE	INTL SIZE	NECK (INCH)	SLEEVE (INCH)	CHEST (INCH)	WAIST (INCH)	HEIGHT (INCH)
32	42	XS	14.2	21.7	33.1	28.3	5'4"
34	44	S	14.6	22.1	34.6	29.9	5'5"
36	46	S	15.0	22.6	36.2	31.5	5'6"
38	48	M	15.4	23.0	37.8	33.1	5'7"
40	50	M	15.7	23.4	39.4	34.6	5'8"
42	52	L	16.1	23.8	40.9	36.2	5'9"
44	54	L	16.5	24.1	42.5	37.8	6'0"
46	56	XL	16.9	24.4	44.1	39.4	6'1"
48	58	XL	17.3	24.5	45.7	40.9	6'1"
50	60	XXL	17.7	24.6	47.2	42.5	6'2"

How to Measure

A: Neck: Just below your adam’s apple, take a skin tight measurement around your neck.

B: Sleeve: With arm relaxed at side and elbow slightly bent, measure from point of shoulder, and down outside of arm past elbow to wrist.

C: Chest: This measurement is taken just below to your breast under the arms, closely around the body.

D: Waist: Measure around the body at your natural waist level, normally 6 cm below your navel.

E: Height: Stand next to a wall, put a ruler horizontally on your head and mark at the point where the ruler reach the wall, measure the distance from the floor to the mark.

Jacket Size (Women)

PRODUCT SIZE	CONVERSION GUIDE		BODY MEASUREMENTS
			A	B	C	D	E	F
U.S. SIZE	EU SIZE	INTL SIZE	NECK (CM)	SLEEVE (CM)	CHEST (CM)	BREAST (CM)	WAIST (CM)	HEIGHT (CM)
6	38	XXS	29.6	52.5	74.0	78.0	58.0	158.0
8	40	XS	30.6	53.5	78.0	82.0	62.0	161.0
10	42	S	31.6	54.5	82.0	86.0	66.0	164.0
12	44	M	32.6	55.5	86.0	90.0	70.0	167.0
14	46	M	33.6	56.5	90.0	94.0	74.0	170.0
16	48	L	34.6	57.5	94.0	98.0	78.0	173.0
18	50	XL	35.6	58.5	98.0	102.0	82.0	176.0
20	52	XL	36.6	58.8	102.0	106.0	86.0	177.0

PRODUCT SIZE	CONVERSION GUIDE		BODY MEASUREMENTS
			A	B	C	D	E	F
U.S. SIZE	EU SIZE	INTL SIZE	NECK (INCHES)	SLEEVE (INCHES)	CHEST (INCHES)	BREAST (INCHES)	WAIST (INCHES)	HEIGHT (INCHES)
6	38	XXS	11.7	20.7	29.1	30.7	22.8	5'2"
8	40	XS	12.0	21.1	30.7	32.3	24.4	5'3"
10	42	S	12.4	21.5	32.3	33.9	26.0	5'4"
12	44	M	12.8	21.9	33.9	35.4	27.6	5'5"
14	46	M	13.2	22.2	35.4	37.0	29.1	5'6"
16	48	L	13.6	22.6	37.0	38.6	30.7	5'7"
18	50	XL	14.0	23.0	38.6	40.2	32.3	5'8"
20	52	XL	14.4	23.1	40.2	41.7	33.9	5'9"

How to Measure

A: Neck: Just below your adam’s apple, take a skin tight measurement around your neck.

B: Sleeve: With arm relaxed at side and elbow slightly bent, measure from point of shoulder, and down outside of arm past elbow to wrist.

C: Chest: This measurement is taken just below to your breast under the arms, closely around the body.

D: Breast: This measurement is taken at the fullest part of your chest (across your nipples) under the arms, closely around the body.

E: Waist: Measure around the body at your natural waist level, normally 6 cm below your navel.

F: Height: Stand next to a wall, put a ruler horizontally on your head and mark at the point where the ruler reach the wall, measure the distance from the floor to the mark.

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