Demon United Spine Guard X D3O® EN 1621-2 BP3 Certified. Slim Profile. Disappears Under Any Jacket.

Demon United Spine Guard X D3O® — EN 1621-2 BP3 Certified. Slim Profile. Disappears Under Any Jacket.

The back protector most riders reach for — and then forget about. The Spine Guard X D3O carries D3O BP3 Level 1 EN 1621-2 certified spine protection in a low-profile neoprene shell with adjustable shoulder straps, removable hip belt, and a breathable build that sits under any jacket without bulk or movement restriction. Independently tested for cold conditions down to -20°C. Snow, dirt, street — same protector, same certified spine defense, every ride.

The most effective back protector is the one you actually wear every day. Not the one you reach for on your biggest days and leave at home when the riding feels casual. The Spine Guard X D3O is engineered to be that protector — certified protection in a profile slim enough that there's no excuse not to put it on every single time.

At the core is the D3O BP3 spine insert — a layer of D3O smart foam independently certified to EN 1621-2 Level 1, the back protector standard for impact protection at the spine. D3O BP3 is a non-Newtonian material: pliable during riding, rate-stiffening on impact to absorb and disperse energy along the spinal zone, then recovering instantly to its flexible state. It doesn't stiffen up in cold conditions — the Spine Guard X D3O has been tested at -10°C (Optional Cold Test) and -20°C (Snowsports Test), meaning it performs exactly the same on a January powder day as it does on a warm spring afternoon.

The low-profile neoprene shell is  slim enough to sit between your base layer and your jacket without creating a visible profile or restricting your range of motion in any direction. The neoprene conforms naturally to the curve of your spine and lower back rather than lying flat, which means no pressure points, no air gaps, and no shifting during riding. It breathes well enough for high-output sessions on snow or dirt without heat buildup.

Adjustable shoulder straps and a removable hip belt let you dial the fit to your specific torso length and riding position — the protector stays exactly where you set it through backward slams, edge catches, and a full day of hard riding. Remove the hip belt for a cleaner, more minimal fit when you want it; run it for a locked-in feel on more aggressive days.

Multi-sport, all-season, tested for extreme cold. The Spine Guard X D3O is the back protector for riders who want certified spine coverage every day without the bulk, the heat, or the "I'll just skip it today" moment. The protector you put on, forget about, and only notice when it does its job.

D3O BP3 EN 1621-2 Level 1 Certified — independently tested back protector standard; D3O smart foam rate-stiffens on impact, disperses energy along the spinal zone, recovers instantly
 BP3 Spine Insert — ultra-slim D3O layer sits between D3O padding for targeted spinal protection without bulk
Cold Weather Tested — Optional Cold Test rated to -10°C; Snowsports Test rated to -20°C; performs identically in extreme winter conditions
Low-Profile Neoprene Shell — low profile sits clean under any jacket without visible bulk or movement restriction; conforms to the natural curve of your spine
Adjustable Shoulder Straps — dial fit to your specific torso length and riding position; stays locked in place through falls and full riding days
Removable Hip Belt — run it for a locked-in fit on aggressive days; remove it for a minimal, clean profile under outerwear
Lightweight & Breathable — all-day wearability on snow, dirt, and street without heat buildup or fatigue
Multi-Sport, All-Season — snowboarding, skiing, mountain biking, and any discipline where spine protection matters
Care: Hand wash, air dry