Men Red Waxed Biker Leather Motorcycle Jacket
Size Guide
How to measure? Complete guide in Video
Unsure about your size? Chat with us live
or email us at shearlingstore@gmail.com
SIZE CHART JACKET (MEN)
Please note the chart carefully. This size chart is for a ready jacket. When selecting a size, please leave 4-5 inches from your body measurement to get a slim fit. For example, if the chest circumference is 38 inches, please select a jacket with a chest of 44 inches. (e.g your chest= 38 inches + extra 4 inches = 42 inches)
|
Size |
Jacket Chest |
Shoulder |
Sleeves |
|
X-SMALL (XS) |
42’’ |
18’’ |
25’’ |
|
SMALL(S) |
44’’ |
18.5’’ |
25.55’’ |
|
MEDIUM (M) |
46’’ |
19’’ |
26’’ |
|
LARGE(L) |
48’’ |
19.5’’ |
26.5’’ |
|
X-LARGE(XL) |
50’’ |
20’’ |
27’’ |
|
XX-LARGE(2XL) |
52’’ |
21’’ |
27.5’’ |
|
XXX-LARGE(3XL) |
54’’ |
22’’ |
28’’ |
|
4X-LARGE(4XL) |
56’’ |
23’’ |
28.5’’ |
|
5X-LARGE(5XL) |
58’’ |
24’’ |
29’’ |
WOMEN SIZE CHART
Please note the chart carefully. This size chart is of a ready jacket. When selecting a size, please leave 4-6 inches from your body measurement to get a slim fit. For example, if the chest circumference is 38 inches, please select a jacket with a chest of 44 inches. (e.g your chest= 38 inches + extra 4 inches = 42 inches)
|
Size |
BUST |
Suitable for a person with a bust size |
SHOULDER |
SLEEVES |
|
X-SMALL (XS) |
36'' |
32'' |
15’’ |
23’’ |
|
SMALL(S) |
38'' |
34’’ |
15.5’’ |
23.5.’’ |
|
MEDIUM (M) |
40'' |
36’’ |
16’’ |
24’’ |
|
LARGE(L) |
42'' |
38’’ |
16.5’’ |
24’’ |
|
X-LARGE(XL) |
44'' |
40’’ |
17’’ |
24’’ |
|
XX-LARGE(2XL) |
46'' |
42’’ |
17.5’’ |
25’’ |
|
XXX-LARGE(3XL) |
48'' |
44’’ |
18’ |
25’’ |
|
4X-LARGE(4XL) |
50'' |
46’’ |
18.5’’ |
26’’ |
|
5X-LARGE(5XL) |
52'' |
48’’ |
19’’ |
26’’ |
Pants size chart
|
Size |
waist |
Length |
Inseam |
Waist to crotch |
Upper leg width |
Lower leg width |
|
XS |
28 |
39.8 |
32.3 |
9.3 |
12.0 |
7.5 |
|
S |
30 |
40.5 |
32.5 |
9.5 |
12.5 |
7.8 |
|
M |
32 |
41.3 |
33.0 |
10.0 |
13.0 |
8.0 |
|
L |
34 |
42.0 |
33.5 |
10.5 |
13.5 |
8.5 |
|
XL |
36 |
43.0 |
33.8 |
10.8 |
14.0 |
8.8 |
|
2XL |
38 |
43.8 |
34.3 |
11.3 |
14.5 |
9.0 |
|
3XL |
40 |
44.5 |
34.5 |
11.5 |
15.0 |
9.3 |
|
4XL |
42 |
45.3 |
35.0 |
12.0 |
15.5 |
9.5 |
|
5XL |
44 |
46.0 |
35.5 |
12.5 |
16.0 |
10.0 |
MOTORBIKE/RACING JACKETS SIZE GUIDE:

✓ 10 Days Easy Return And Exchanges
✓ Free Shipping Worldwide
✓ Secure Checkout
The Crimson Flux: High-Tension Red Waxed Biker
Standard red leather is static; Crimson Flux is kinetic. We’ve developed a "Stress-Reactive" tanning process for this specific hide. By saturating a 1.2mm cowhide in a heavy, dark-carmine oil and then "top-glazing" it with a translucent scarlet wax, we’ve created a jacket that changes its visual density with every movement. The Crimson Flux doesn't just look different in different light. It looks different in every movement. That is not a finish — it is a behaviour.
This is the "Live-Action" Biker—a garment that lightens at the tension points (elbows, shoulders, and knuckles) to reveal a brighter, fiery red underneath the dark wax "crust."
I. The "Stress-Map" Architecture
Every structural element of the Crimson Flux serves the Flux effect — nothing is decorative. Everything reacts.
-
Flex-Ribbed Yoke: The upper back and elbows feature a "Concertina-Fold" ribbing. This isn't just for looks—it provides 25% more surface area for the wax to react to, ensuring the "Flux" effect is most visible where your body moves the most.
-
Corrosive-Finish Hardware: Every zipper and buckle has been subjected to a "Salt-Wash" oxidation. The result is a matte, gunmetal-grey finish that looks like it has been weathered by the elements, providing a rugged contrast to the vibrant red hide.
-
High-Grip "Cuff-Locks": We’ve integrated heavy-duty snap-down wrist closures. This prevents "Wind-Ballooning" at high speeds, keeping the sleeves locked to your gloves and maintaining a aerodynamic, tapered silhouette.
II. Thermal Intelligence: The "Vent-Gate" System
Red leather has a unique thermal reflectivity, and we’ve maximized it with a Zonal-Cooling Blueprint.
-
The "Spine-Channel" Exhaust: A hidden vertical mesh strip runs down the center of the back lining. As you ride, the natural vacuum created behind your body pulls hot air through the leather's micro-pores and out through the "Spine-Channel."
-
Active Range: 9°C to 21°C (48°F to 70°F).
-
The "Carbon-Black" Utility Liner: The interior is finished in a high-density, rip-stop nylon. It’s nearly indestructible and won't snag on your base layers, making it the perfect "friction-free" interior for aggressive riding maneuvers.
III. The Dry-Touch Advantage
Most waxed jackets feel "greasy" to the touch. The Crimson Flux utilizes a "Dry-Touch" Wax Matrix. You get all the waterproof benefits and the deep "Pull-Up" color shifts of a traditional waxed jacket, but with a clean, matte finish that won't rub off on your car seats or furniture.
Maintenance Protocol: * The "Heat-Reset" Trick: If you get a scratch on the wax, simply run a hair-dryer over the area for 30 seconds. The wax will re-melt and "heal" the scratch, restoring the deep crimson finish instantly.
Climate Calibration: The Active Performance Window
The Sweet Spot: Optimised for 9°C to 21°C (48°F to 70°F) — a performance-focused range that covers the majority of serious riding conditions across spring autumn and mild winter days.
Thermal Management: The red pigment base reflects more solar radiation than black leather while the Spine-Channel Exhaust actively extracts hot air from the back panel during movement — creating the most sophisticated passive cooling system in our biker range.
Wind Factor: The 1.2mm stress-reactive cowhide and Dry-Touch Wax Matrix create an effective wind barrier. The Cuff-Lock snap closures eliminate wind-ballooning at the wrists — maintaining aerodynamic integrity at speed that standard biker cuffs cannot sustain.
Wet Weather: The Dry-Touch Wax Matrix provides full hydrophobic protection against rain and road spray without the greasy transfer of traditional waxed leather. If heavily saturated air dry at room temperature — use the Heat-Reset technique after drying to restore the wax seal and reactive finish.
FAQ'S
Q: How does the Crimson Flux differ from the Crimson Kinetic?
A: Same red waxed philosophy — completely different engineering approach. The Crimson Kinetic uses drum-dyeing for consistent saturated colour and is built around visibility — the safety-conscious rider's choice. The Crimson Flux uses a stress-reactive tanning process where the colour actively shifts with movement — built around performance engineering and the live-action visual experience of a jacket that changes as you ride. The Kinetic looks best standing still. The Flux looks best at speed.
Q: Will the stress-reactive colour shift look natural or gimmicky?
A: The shift is subtle and organic rather than dramatic — the difference between deep carmine and bright scarlet rather than between red and white. Under normal observation the jacket reads as a rich complex red. Only when you look closely at an elbow or shoulder mid-movement do you notice the lighter scarlet surfacing through the wax crust. Buyers consistently describe it as looking like the jacket is breathing rather than performing a trick.
Q: Does the rip-stop nylon lining feel cheap compared to satin?
A: Different performance priority. Satin linings are chosen for smooth layering and luxurious feel against skin. The Carbon-Black rip-stop nylon is chosen for indestructibility and friction-free movement during aggressive riding — it will not snag catch or tear under repeated high-stress movement in a way that satin cannot guarantee. For a performance riding jacket the rip-stop is the correct material. For a city fashion jacket satin would be. The Crimson Flux is a performance riding jacket.
Q: Is this CE-rated for motorcycle protection?
A: The Crimson Flux is a premium fashion and performance commuter jacket — not CE-rated motorcycle gear. The 1.2mm stress-reactive cowhide provides genuine wind resistance and natural abrasion protection for urban and open-road riding but does not contain armour pockets or meet motorcycle safety certification standards. For CE-certified gear see our Pro-Motorcycle range.