Water
Custom support built for prolonged submergence. Formed solely from custom-molded polypropylene pressed to the patient's foot model, with a polypropylene rearfoot post and no padding or covers to absorb water, terminating at the metatarsal heads.
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Built for wet activities, from aquatic classes to scuba diving.
The Water device is for patients who need custom support in and around water. It excludes all padding and materials that are not designed for prolonged submergence in liquid, without compromising arch support and control.
One material, one purpose: custom-molded polypropylene pressed to the patient's own foot model, with a polypropylene rearfoot post. Nothing in the device soaks, swells, or breaks down when it is wet all day.
Surfers with booties, boating and sailing
Sits in booties, water shoes, and deck shoes for surfing, sailing, aquatic classes, and professional diving.
No padding, no covers
No top cover, bottom cover, frame filler, or extension. Every material that would hold water has been left out by design.
Arch support and control preserved
A 12mm heel cup, a polypropylene rearfoot post, and a frame congruent to the foot model keep functional control intact in a bare shell.
Functional correction, congruent to the foot.
Built from a positive model of the patient's foot and modifiable at the clinician's discretion - scanned and ordered through FootID Pro.
Shape is everything.
What separates Root from generic sport insoles is the precise morphological shape captured from the patient's foot - held in the exact clinical position the clinician chose. No averaging. No guesswork.
The Water device is built from a positive model of the patient's foot and can be modified at the practitioner's discretion. This means every device fits the patient it was made for - not an approximation.
Modern Root
Width adjusted considering both borders. Default for all Root models.
Traditional Root
Justified to the lateral border. Used for specific clinical indications at practitioner discretion.
Modern Root shape process
- Forefoot balanced to rearfoot - forefoot-to-rearfoot relationship is optimised as the first step in shape modification.
- Fat pad expanded ~3mm - ensures the device fills the calcaneal contour precisely for the patient's heel.
- Arch lowered ~3mm - creates optimal heel-to-arch-to-met-head geometry. Not applied to foam impressions.
- Width tuned to both borders - medial and lateral widths considered together, giving a foundation that matches the patient's actual foot width.
*Subtalar joint neutral is found by palpating the talus head against the navicular. The neutral position can present many joint-on-joint and bone-on-bone relationships and varies from person to person. An everted or inverted calcaneus may be a neutral position for an individual person. Biomechanical evaluation required.
How you hold the foot is what we build.
Root is not just the orthotic - it's the clinician's positioning, captured and preserved in the device. After scanning, FootID Pro asks the questions no other lab asks.
After every scan, we need to know:
- Was the subtalar joint held in neutral?
- Was the midtarsal joint maximally pronated - loading the 5th metatarsal head?
- Was the midtarsal joint maximally supinated - loading the 1st metatarsal head?
- Was the forefoot brought perpendicular to the rearfoot?
- Was a forefoot-to-rearfoot balance bisection achieved at 90° relative to the calcaneal bisection?
The positioning of those 19 joints in the foot is what gives us the shape.
CAD/CAM fabrication
- Scan or cast captured - clinician captures foot morphology via FootID Pro, holding the subtalar joint in the chosen clinical position.
- Shape modification applied - forefoot balanced to rearfoot, fat pad expanded, arch adjusted using Root's design process.
- Technical staff review - every device reviewed against Traditional Root, Modern Root, Blake Inverted, or Accommodative principles.
- Fabricated to the shape - the polypropylene frame and EVA post are fabricated to match the submitted shape precisely.
See how the scan becomes an order.
Watch Kevin capture a foot, confirm the clinical position, and send a Root order - start to finish.
Variation converted to anatomy-match accuracy by impression & fabrication method
How closely each method preserves the patient’s intended foot shape. Scale: 0–100%, where 100% = optimal congruence.
Plaster bandage is wrapped around the foot in the clinician’s prescribed corrected position, setting into a precise negative of the foot’s contour.
The foot is pressed into a crushable foam box, leaving a negative impression of the plantar surface.
An existing positive model from the patient’s previous orthotics is reused - KevinRoot accepts models from any lab, with frame-contour variance as low as 1%.
A digital scanner such as FootID Pro captures the foot surface as a 3D model.
A fiberglass casting sock is applied over the foot and cures to capture its contour.
Pedobarography captures the patient’s plantar pressure distribution (static or dynamic) at 1:1 scale - used with arch height and shoe size to select a redimold positive model, not to capture true 3D contour.
A direct-molding system using prefabricated, size- and arch-based positive models (33 in total) rather than an individual foot impression.
Heated material is vacuum-pressed over a plaster positive model, drawing it intimately into every contour.
The frame is 3D printed by selective laser sintering (SLS) directly from the CAD-designed digital frame.
A positive model is CNC-milled (CAD/CAM) from an STS, 3D scan, plaster, or foam impression, then the frame is vacuum formed over it.
A CNC machine subtractively mills the frame from a block of polypropylene or EVA per the digital design.
*Redimold has no physical or digital foot impression - patient-foot-to-cast congruent accuracy is unavailable. Variation from positive model to frame is low.
How your patient's foot shape becomes a precision frame.
The journey from clinical capture to finished Water frame is where Root's expertise lives. Every step preserves the shape and position the clinician chose for that patient.
- Foot impression captured - the clinician captures the foot using their preferred method. How the foot is held directly determines the congruency of the finished device.
- Positive model created - the impression becomes a physical plaster model or a digital CAD/CAM model. Digital models are stored indefinitely for future pairs.
- Root technicians modify the shape - every modification reviewed against the prescription. Rearfoot post, heel cup depth, and cover selection confirmed per patient.
- Water frame fabricated - the polypropylene shell is pressed over the positive model with a 12mm heel cup and a polypropylene rearfoot post, terminating at the metatarsal heads. No filler, top cover, bottom cover, or extension is applied, forefoot balanced to rearfoot.
FitFoot360 Foot Model
- Root digital model stored indefinitely → recalled for future pairs
- Root technicians modify the digital shape in real-time: arch, heel, width, postings
- Vacuum formed over CAD/CAM positive model, direct milled or 3D printed Root Frame - replicable, consistent, precise
Real-time control over shape, function, and fit.
FitFoot360 gives Root's technicians complete digital control over every dimension of the orthotic frame - in real time. What once required physical carving and guesswork is now precise, repeatable, and stored permanently for every patient.
Digital positive model
Stored indefinitely. Future pairs, replacements, or modifications can be fabricated from the exact same shape without a new impression.
Real-time shape modification
Root technicians control arch, heel, width, and postings directly in the software.
Every parameter visible
Heel cup depth, frame reinforcement, ray cut-outs, flanges, and more are set per patient, not per template.
Plaster and foam digitisation
Physical models can be digitised for permanent storage. Note: digitising may not perfectly replicate the intimate contours achieved when vacuum forming directly over plaster.
Built to their spec. Built for their foot.
The Water device is deliberately minimal. Frame thickness, heel cup depth, and rearfoot posting are set to the individual patient, and everything that would absorb water is left out. Forefoot is balanced to rearfoot and the device is custom congruent to the foot model.
Custom-molded polypropylene pressed to the patient's foot model. The only material in the device, chosen because it is unaffected by prolonged submergence.
The rearfoot post is polypropylene as well, so there is no EVA or crepe to soak, swell, or delaminate in water.
Pressed from the patient's calcaneus, the 12mm heel cup holds the rearfoot on wet, unstable surfaces.
The device terminates at the metatarsal heads, keeping the forefoot free inside a bootie or water shoe.
The arch contour is taken from the patient's own foot model, so arch support and control are not compromised by the simplified build.
No top cover, bottom cover, frame filler, or extension. Every padding material that would hold water is excluded.
The full picture.
Everything you need to prescribe the Water device.
- Symptomatic feet while running
- Biomechanical pathology
Recommended for
- Surfers with booties
- Water activities
- Boating and sailing
The Water device is a great option for patients needing custom support for wet activities ranging from aquatic classes to professional scuba diving. This simple device excludes all padding and materials that are not designed for prolonged submergence in liquid but does not compromise arch support and control.
It is formed solely from custom-molded polypropylene pressed to the patient's foot model, including a polypropylene rearfoot post, and terminates at the metatarsal heads.
Constructed from a positive model of the patient's foot and modifiable at the practitioner's discretion.
- L3000 (UCB)
- L3010 (longitudinal/metatarsal support)
- L3020 (arch support)
- L5000 (filler)
Based on configuration. For reference only. Final coding and billing are the provider's responsibility.
Delivery Time
- Standard: 2 weeks
- Expedited: Available on request
Functional control, stripped to one material.
The Water device is a bare polypropylene shell with a polypropylene rearfoot post, pressed to the patient's foot model. A 12mm heel cup controls inversion and eversion of the calcaneus on wet, shifting surfaces.
Because the device terminates at the metatarsal heads and carries no filler or covers, arch support and rearfoot control are delivered entirely by frame geometry, which is why the congruency of the foot model matters so much here.
The right frame
for the water.
The Water device sits on the Performance frame profile, a low-volume fit
that sits inside booties, water shoes, and deck shoes.
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