Leatt 4.5 Adult Off-Road Boots
PREMIUM COMFORT AND SAFETY.
The Leatt 4.5 boot has arrived! With many features taken from the super successful 5.5 FlexLock.
The 4.5 boot is a real head turner when it comes to looks and style, as you slide your foot inside our boot you instantly feel the plush interior and quality of the materials used, it’s like putting your feet inside your favorite shoes or slippers!
With great feel of the frame, gear lever and rear brake, these boots instantly feel so good.
You must check out our SlideLock Velcro function it really is groundbreaking in security fastening boot technology.
For the Ultimate boot in the Leatt range check out the Leatt 5.5 FlexLock.
- Fit: Outstanding comfort with first-class fit even for wide feet
- Closure:
- SlideLock system, Auto-locking one way sliding closure for great seal at top of boot
- Polymer composite buckles with Over-lock system and stainless-steel base
- Bike Grip: Inside of boot is flat and grippy for great bike feel
- Toe-Box: Low-profile, for easy gear shifting
- Ankles: Heel grip ankle design for stability when riding on your toes
- Sole:
- DualZone hardness
- Extended foot peg riding zone for arch and on the toes riding style
- Steel shank reinforced and CE certified
- Inner Liner:
- Breathable mesh 3D liner with anti-slip reinforcement for zero heel lift
- CE tested and certified as:
- prEN 13634: 2017
- Plastic Free Recyclable Packaging
- Colors: Orange, Fuel, Citrus
- Sizes: 7, 8, 9, 10, 11, 12, 13
- SKU: 3023050500, 3023050501, 3023050502, 3023050503, 3023050504, 3023050505, 3023050506, 3023050450, 3023050451, 3023050452, 3023050453, 3023050454, 3023050455, 3023050456, 3023050400, 3023050401, 3023050402, 3023050403, 3023050404, 3023050405, 3023050406





















New or Brand New - Brand new item in original packaging (original manufacturer's warranty may apply).
Refurbished - Professionally restored and in perfect working condition. Original packaging may be missing or slightly damaged.
Used - Item has seen limited use but remains in good working condition. May show some limited signs of wear with small scratches or cosmetic blemishes. May arrive with damaged packaging or be repackaged.
Refurbished, Without Tags - Same as refurbished. Item may arrive with mising labels or tags.
Refurbished, Last Call - Same as refurbished. Last call or closeout item.
Size | Centimeter | Inches |
---|---|---|
XS | 53 - 54 | 20¾ - 21¼ |
SM | 55 - 56 | 21⅝ - 22 |
MD | 57 - 58 | 22½ - 22¾ |
LG | 59 - 60 | 22¼ - 22⅝ |
XL | 61 - 62 | 24 - 24¼ |
2XL | 63 - 64 | 24¾ - 25⅕ |
Youth | ||
MD | 51-52 | 20 - 20½ |
LG | 53-54 | 20¾ - 21¼ |
*
Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

MODEL | Junior / Youth | Adult | S/M | L/XL | XX-Large |
---|---|---|---|---|---|
DBX 3.5 Neck Brace | 74 - 82cm | - | 82 - 94cm | 94 - 110cm | 110 - 122cm |
DBX 4.5 Neck Brace | - | - | 78 - 94cm | 94 - 122cm | - |
DBX 5.5 Neck Brace | 74 - 82cm | - | 82 - 94cm | 94 - 122cm | - |
DBX 6.5 Neck Brace | - | - | 82 - 94cm | 94 - 122cm | - |
DBX/GPX Neck Brace | - | - | 74 - 98cm | 98 - 130cm | - |
Fusion 2.0 Body Vest | - | - | 54 - 66cm (JNR) | 66 - 74cm (JNR) | 74 - 86cm (JNR) |
Fusion 3.0 Body Vest | - | - | 86 - 98cm | 98 - 118cm | 118 - 126cm |
STX Road Neck Brace | - | - | 66 - 94cm | 90 - 122cm | 114 - 126cm |
STX Road RR Neck | - | 82 - 106cm | - | - | - |
*
Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

Model | Measure Point | Kids | JR | Small(SML/MED) | Medium(SML/MED) | Large(L/XL) | X-Large(L/XL) | 2X-Large |
---|---|---|---|---|---|---|---|---|
3DF EXT (+ Shin) | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
3DF EXT (+ Shin) | Calf | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
3DF EXT Hybrid (+ Shin) | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
3DF EXT Hybrid (+ Shin) | Calf | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
3DF Hybrid | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
3DF Hybrid | Calf | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
3DF Hybrid EXT (+ Shin) | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
3DF Hybrid EXT (+ Shin) | Calf | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Airflex | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Airflex | Calf | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Airflex Pro | Thigh | - | - | 33 - 37cm | 37 - 41cm | 41 - 47cm | 47 - 53cm | 53 - 59cm |
Airflex Pro | Calf | - | - | 25 - 29cm | 29 - 33cm | 33 - 38cm | 38 - 44cm | 44 - 51cm |
Dual Axis (+ Shin) | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Dual Axis (+ Shin) | Calf | 18 - 22cm | 20 - 26cm | 25 - 33cm | 25 - 33cm | 33 - 44cm | 33 - 44cm | 44 - 51cmm |
Enduro | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Enduro | Calf | 18 - 22cm | 20 - 26cm | 25 - 33cm | 25 - 33cm | 33 -44cm | 33 -44cm | 44 - 51cm |
Knee & Shin 3.0 EXT | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Knee & Shin 3.0 EXT | Calf | 18 - 22cm | 20 - 26cm | 25 - 33cm | 25 - 33cm | 33 - 44cm | 33 - 44cm | 44 - 51cm |
Leatt 3DF 3.0 | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Leatt 3DF 3.0 | Calf | 18 - 22cm | 20 - 26cm | 25 - 33cm | 25 - 33cm | 33 - 44cm | 33 - 44cm | 44 - 51cm |
Leatt 3DF 5.0 | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Leatt 3DF 5.0 | Calf | 18 - 22cm | 20 - 26cm | 25 - 33cm | 25 - 33cm | 33 - 44cm | 33 - 44cm | 44 - 51cm |
Leatt 3DF 6.0 | Thigh | 26 - 32cm | 28 - 34cm | 33 - 41cm | 33 - 41cm | 41 - 53cm | 41 - 53cm | 53 - 58cm |
Leatt 3DF 6.0 | Calf | 18 - 22cm | 20 - 26cm | 25 - 33cm | 25 - 33cm | 33 - 44cm | 33 - 44cm | 44 - 51cm |
*
Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

Model | Kids | Junior / Youth | Small(SML/MED) | Medium(SML/MED) | Large(L/XL) | X-Large(L/XL) | XX-Large |
---|---|---|---|---|---|---|---|
Airflex | - | 19 - 21cm | 20 - 24cm | 24 - 28cm | 28 - 33cm | 32 - 36cm | 36 - 40cm |
Contour | 18 - 20cm | 19 - 23cm | 22 - 28cm | 22 - 28cm | 28 - 35cm | 28 - 35cm | 35 - 41cm |
Leatt 3.0 | 18 - 20cm | 19 - 23cm | 22 - 28cm | 22 - 28cm | 28 - 35cm | 28 - 35cm | 35 - 41cm |
Leatt 3DF | 18 - 20cm | 19 - 23cm | 22 - 28cm | 22 - 28cm | 28 - 35cm | 28 - 35cm | 35 - 41cm |
Leatt 3DF 5.0 | - | 19 - 21cm | 20 - 24cm | 24 - 28cm | 28 - 33cm | 32 - 36cm | 36 - 40cm |
Leatt 3DF 6.0 | - | 19 - 21cm | 20 - 24cm | 24 - 28cm | 28 - 33cm | 32 - 36cm | 36 - 40cm |
Leatt 3DF Hybrid | 18 - 20cm | 19 - 23cm | 22 - 28cm | 22 - 28cm | 28 - 35cm | 28 - 35cm | 35 - 41cm |
*
Sizing information is provided by the manufacturer and does not guarantee a perfect fit.