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The backcountry twin
Ideal for backcountry touring and freestyle
The Mountain Twin Split features a directional twin shape that's perfect for backcountry shredders who want to jump and slash their way down the mountain. It’s ready to shred chutes, tree runs or backcountry booters in any condition and offer precise performance riding regular or switch.
The board of choice for:
Pica Herry
Terrain
Personality/Flex
Riding level
Key benefits
01
Friendly flex + twin shape for freestyle feel
02
CamRock profile for float and pop
03
Short sidecut for nimble slashing
Details
Shape & profile
A snowboard's outline defines many of its characteristics, from how it turns or floats in powder to its performance riding switch. Shape affects everything from the width and taper of the nose and tail, to the position of the stance relative to the board's center.
[Shape]
Directional twin
Twin-inspired shape with subtle directional tuning. A slightly longer nose improves float and handling in variable terrain when riding forwards, without limiting its switch performance. The go-to shape for all-mountain riders who want the best of both worlds.
[Pr0file]
CamRock
Versatile all-mountain profile featuring camber between the bindings with equal amounts of rocker in the nose and tail. Camber delivers pop and precise edge control, while the rocker adds forgiveness, smoother turn initiation and better float in soft snow.
3D Contour Base
Surf-inspired shaping for next-level performance.
Inspired by the rounded bottom contours of surfboards, 3D Contour Bases are designed to make every run smoother and every turn more effortless by reducing the drag of the board tips. 3D Contour Bases enhance glide and improve float, helping you ride faster and with better flow. Learn more
[3d_pr0file]
Medium 3D Contour Base
3D Contour Base tuned for all-terrain featuring 4mm of spoon bevel in the nose and 0-4mm of spoon bevel in the tail. Spoon bevel starts just before the contact points.
How it works
Riding flat
When riding flat, the spoon bevel on the edges is not engaged, but it does help smoothly deflect snow away from the nose of the board.
Turn initiation
As you begin to make a turn, the spoon bevel helps you smoothly roll the board on to your egde with less friction and edge drag.
Mid turn
In the middle of a turn, camber and Traction Tech keep you locked onto your egde in the center of the board while the spoon bevel reduces the "plow effect" of your nose and tail edges.
Features & construction
100% of our adult models feature high-end materials, construction technologies and responsible manufacturing processes. We accept no compromises in producing the most durable and responsibly produced snowboarding gear. Learn more by checking out our Materials Library
[C0re]
Control Split Core
Premium dual density wood core made out of responsibly harvested Paulownia and Poplar. 2:1 Paulownia to Poplar stringer ratio creates a lightweight core that’s damp and durable.
[Fibers]
Biax Fiberglass
Biaxial fiberglass laminate made with a dual-layer, dual-directional construction that delivers a forgiving yet snappy board feel with a mid-soft torsional flex and quick energy transfer.
[T0psheet]
Premium Eco Topsheet
Durable and scratch resistant bio-plastic topsheet made from castor beans that’s engineered to provide exceptional abrasion and impact resistance while minimizing environmental impact.
[Base]
Sintered 8000 Base
Premium sintered base material that’s ultra fast, highly wax absorbent, easy to repair and proven to be one of the most durable and long lasting base materials in the industry.
Wend Natural Wax
All Jones snowboards come factory waxed with WEND natural wax so they’re ready to shred straight out of the shop.
[Resin]
Bio Resin
A bio-based epoxy made with 27% plant-based carbon that reduces CO₂ emissions by 33% compared to conventional petroleum-based epoxy. Sourced from plant-based industrial by-products, its unmatched bonding properties deliver industry leading durability and performance.
[Edges]
Recycled ABS
Recycled ABS sidewalls with a rounded finish that are engineered to enhance durability by reducing topsheet chipping and impact damage.
Recycled edges
Bombproof steel edges made from recycled German steel, engineered for maximum strength and long-lasting durability.
Pro sizing tip: To decide between the two sizes, choose the shorter board for a more playful ride with quicker turns and greater maneuverability, or the longer board for added stability, control, and float.
Choose your ideal board size range using your body weight and boot size.
Not sure which size will suit you best? Use our
| Board size (cm) | 157 | 159W | 160 |
|---|---|---|---|
| Weight range (lbs/kg) | 130-180 lbs. / 59-82 kg. | 150-200 lbs. / 67-91 kg. | 150-200 lbs. / 67-91 kg. |
| Ideal boot size (US / EU) | US 9-11 / EU 41.5-44.5 | US 10-12 / EU 43.5-46 | US 9-11 / EU 41.5-44.5 |
| Big Horn Series* | |||
| Board waist width (cm) | 25.4 | 26.1 | 25.7 |
| Skins group | D | D | D |
*If you wear US Men's 11.5 or bigger, look for our Big Horn Series boards with minimum waist width 26.3 cm.
Board specs
Pro sizing tip: To decide between the two sizes, choose the shorter board for
a more playful ride with quicker turns and greater maneuverability, or the longer
board for added stability, control, and float.
Choose your ideal board size range using your body weight and boot size.
Not sure which size will suit you best? Use our
| Board size (cm) | 157 | 159W | 160 |
|---|---|---|---|
| Board weight | 3.1kg / 6.9lbs | 3.2kg / 7.2lbs | 3.2kg / 7.1lbs |
| Surface area (dm2) | 41.7 | 43.4 | 43.0 |
| Contact length (cm) | 111.0 | 113.0 | 113.4 |
| Effective edge length (cm) | 121 | 123 | 123 |
| Tip length (cm) | 23.5 | 23.5 | 23.8 |
| Tail length (cm) | 22.5 | 22.5 | 22.8 |
| Waist width (cm) | 25.4 | 26.1 | 25.7 |
| Underfoot width - front foot (cm) | 26.6 | 27.3 | 26.9 |
| Underfoot width - back foot (cm) | 26.8 | 27.5 | 27.1 |
| Tip width (cm) | 29.6 | 30.4 | 30.0 |
| Tail width (cm) | 29.6 | 30.4 | 30.0 |
| Sidecut radius (m) | 7.8 | 7.9 | 8.0 |
| Taper (mm) | 0.0 | 0.0 | 0.0 |
| Reference stance (cm/in) | 58.0 / 22.8 | 58.0 / 22.8 | 58.0 / 22.8 |
| Centered stance (cm/in) | 58 / 22.8 | 58 / 22.8 | 58 / 22.8 |
| Insert pack | Splitboard Pack | Splitboard Pack | Splitboard Pack |
| Stance setback (cm) | 0 | 0 | 0 |
Pro sizing tip: To decide between the two sizes, choose the shorter board for a more playful ride with quicker turns and greater maneuverability, or the longer board for added stability, control, and float.
Choose your ideal board size range using your body weight and boot size.
Not sure which size will suit you best? Use our
| Board size (cm) | 157 | 159W | 160 |
|---|---|---|---|
| Weight range (lbs/kg) | 130-180 lbs. / 59-82 kg. | 150-200 lbs. / 67-91 kg. | 150-200 lbs. / 67-91 kg. |
| Ideal boot size (US / EU) | US 9-11 / EU 41.5-44.5 | US 10-12 / EU 43.5-46 | US 9-11 / EU 41.5-44.5 |
| Big Horn Series* | |||
| Board waist width (cm) | 25.4 | 26.1 | 25.7 |
| Skins group | D | D | D |
*If you wear US Men's 11.5 or bigger, look for our Big Horn Series boards with minimum waist width 26.3 cm.
Get the right board size for you
Not sure which size will suit you best? We can put you in the right ballpark if you give us your boot size and weight. If you’d really like to dial in your board choice, contact our Gear Gurus here.
- US Men 3.5 / US Women 5.0
- US Men 4.0 / US Women 5.5
- US Men 4.5 / US Women 6.0
- US Men 5.0 / US Women 6.5
- US Men 5.5 / US Women 7.0
- US Men 6.0 / US Women 7.5
- US Men 6.5 / US Women 8.0
- US Men 7.0 / US Women 8.5
- US Men 7.5 / US Women 9.0
- US Men 8.0 / US Women 9.5
- US Men 8.5 / US Women 10.0
- US Men 9.0 / US Women 10.5
- US Men 9.5 / US Women 11.0
- US Men 10.0
- US Men 10.5
- US Men 11.0
- US Men 11.5
- US Men 12.0
- US Men 12.5
- US Men 13.0
- US Men 13.5
- US Men 14.0
- US Men 15.0
| Board size (cm) | 157 | 159W | 160 |
|---|---|---|---|
| boots_min_size | 7.0 | 10.0 | 8.0 |
| boots_max_size | 10.5 | 12.0 | 11.0 |
| min_weight | 130.0 | 150.0 | 150.0 |
| max_weight | 175.0 | 235.0 | 235.0 |
| comment | The Men's Mountain Twin can be ridden in your traditional size. | The Men's Mountain Twin can be ridden in your traditional size. | The Men's Mountain Twin can be ridden in your traditional size. |
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