Energy-Tec® Is Not a Feature. It Is the Foundation.
It defines how every Openwater case is built, how it performs, and how it evolves over time.
The Ocean-Large+® telescopic handle is engineered for stability, ergonomic comfort, and long-term durability. Designed with controlled tolerances and reinforced tubes, it minimizes wobble while ensuring smooth extension and retraction — delivering confident handling and balanced control in motion.
Energy-Strong® is a shell is built from High-Grade Polycarbonate, a high-performance material engineered for demanding travel environments. Its combination of strength, flexibility, and fatigue resistance provides reliable protection while maintaining low weight.
Energy-Stop® is Openwater’s integrated wheel-lock solution, developed to provide stability when you need it most. With a simple, intuitive mechanism, the system locks the wheels in place to prevent unwanted movement on slopes, uneven surfaces, or during stationary moments.
The zipper assembly is built around two core technologies. Energy-Safe® uses a reinforced double-coil design to improve resistance against penetration. Energy-Dry® applies a waterproof coating that seals the zipper surface and limits water ingress during use.
Energy-Lock® zipper sliders are engineered with a solid, gap-free moulded construction, eliminating the weak point found in conventional slider designs. This allows the zipper to be securely locked into a premium TSA-approved lock integrated with the Travel Sentry network.
The wheels are exclusively developed by Openwater as part of our integrated engineering platform. Energy Smooth® focuses on vibration absorption and low-noise rolling through carefully controlled material composition and optimized wheel geometry. By fine-tuning density, elasticity, and profile, the system delivers stable tracking, reduced surface resonance, and consistently smooth performance across varying travel environments.
Energy-Tec® — The Structural Platform Behind Every Openwater Case
Energy-Tec® is the shared technical platform behind every Openwater suitcase.
It defines the essential engineering, materials, and functional standards that run consistently across the entire range — ensuring reliable performance, durability, and a unified travel experience, regardless of size or collection.
Rather than treating features as optional upgrades, Energy-Tec® is built in from the start. Structural integrity, secure closures, smooth mobility, and long-term reliability are engineered as part of a complete system — not added later.
This platform approach allows Openwater to maintain a calm, controlled design language while delivering proven functionality where it matters most. The result is luggage that feels coherent, dependable, and purpose-built — designed to perform quietly and consistently in real travel conditions.
Built as a Unified Engineering System
At the core of Energy-Tec® is a structured approach to engineering. Every component is developed to work within a defined architecture, allowing the product to function as a unified whole rather than a set of independent parts.
Standardized interfaces make it possible to replace selected components when needed, supporting long-term usability and controlled product evolution. Instead of replacing the entire case, individual elements can be maintained, repaired, or refined over time.
This system-based thinking reduces unnecessary replacement, extends product life, and supports a more responsible approach to long-term travel equipment.
Engineered for Consistency Across the Range
Energy-Tec® creates consistency across different suitcase sizes and collections. Whether compact cabin formats or larger travel sizes, the same engineering principles and performance standards apply throughout.
This ensures that every Openwater case delivers predictable handling, structural reliability, and consistent performance — creating familiarity and trust across the full product ecosystem.
Consistency is not only about durability, but about confidence. Travelers can rely on familiar functionality, regardless of the size or configuration they choose
Designed for Long-Term Performance
Travel equipment should perform not only when new, but after years of repeated use. Energy-Tec® is developed with long-term durability in mind, using controlled materials, reinforced structural zones, and precise mechanical tolerances.
Each element is designed to withstand repeated movement, pressure, and real travel conditions — from airport terminals to uneven terrain and daily handling.
The goal is not temporary performance, but sustained reliability across the product lifecyc
A Foundation That Works Together
Energy-Tec® works in combination with Flow Scene® removable interiors and the structured development process defined in Quality & Design, forming a unified system designed for long-term performance.
Together, these elements create a platform that supports adaptability, longevity, and consistent performance — ensuring that every Openwater case remains dependable across changing travel needs.
Core Energy-Tec® Technologies
Each Energy-Tec® technology represents a defined engineering solution designed to perform as part of the overall platform.
Energy-Safe® — Reinforced Closure Security
Energy-Safe® is Openwater’s reinforced double-coil zipper system, engineered to improve resistance against penetration and forced entry.
By using two tightly interlocked coils instead of a standard single-coil construction, the zipper creates a denser, more secure barrier along the closure path. This structure makes it significantly harder to separate zipper teeth under pressure while maintaining smooth operation.
The system is paired with Unicast pullers, moulded as a single solid piece rather than assembled components. Unlike conventional zipper pullers that are attached and mechanically pressed into place, Unicast pullers eliminate structural weak points created by joints or inserted elements. This one-piece construction improves durability, maintains consistent strength under load, and ensures reliable long-term operation.
The result is a closure system that delivers both security and long-term durability — engineered to perform reliably in real travel conditions.
Energy-Stop® — Stability When You Need It
Energy-Stop® is Openwater’s integrated wheel-lock solution, developed to provide stability when control matters most.
With a simple, intuitive mechanism, the system locks the wheels in place to prevent unwanted movement on slopes, uneven surfaces, or during stationary moments. Unlike external or temporary solutions, Energy-Stop® is built directly into the mobility architecture of the case.
The result is secure positioning without compromising rolling performance, durability, or clean design — delivering stability exactly when needed.
Energy-Smooth® — Controlled Movement
Energy-Smooth® is Openwater’s proprietary wheel system, developed to deliver quiet rolling performance and long-term durability across demanding travel environments.
The material composition is engineered to reduce vibration, absorb surface irregularities, and maintain consistent performance over extended use. By carefully controlling density, elasticity, and wheel profile, the system delivers stable tracking and reduced surface resonance across varying travel conditions.
Each wheel is equipped with precision double bearings, reducing friction and improving load distribution for enhanced durability and effortless glide. The result is controlled, balanced movement — engineered for long-term reliability under real travel conditions.
Energy-Strong® — Structural Protection
Energy-Strong® represents Openwater’s reinforced shell construction philosophy, developed using premium-grade polycarbonate engineered for demanding travel conditions.
The material is selected to absorb impact, maintain structural integrity, and protect belongings throughout repeated journeys. Reinforcement zones strengthen critical structural areas, allowing the case to maintain its shape and stability under pressure, impact, and load.
The result is a resilient outer structure designed to absorb stress, maintain geometry, and perform consistently across years of travel.
Energy-Tec® Technology Icons
Each Energy-Tec® technology is represented by a dedicated icon used across products, packaging, and documentation. These icons provide quick visual reference to the technologies integrated into every Openwater product.
Below is a reference guide explaining the purpose of each Energy-Tec® icon.
ENERGY-SAFE®
Reinforced double-coil zipper system paired with solid one-piece Unicast pullers, designed to improve resistance against forced entry and long-term wear.
ENERGY-LOCK®
Precision moulded zipper interface designed to integrate securely with Travel Sentry® approved locking systems.
ENERGY-STOP®
Integrated wheel-lock system designed to stabilize luggage on slopes, uneven surfaces, and stationary environments.
ENERGY-STRONG™
Reinforced polycarbonate shell construction designed to improve structural strength and impact resistance.
ENERGY-SMOOTH®
Engineered wheel material designed to reduce vibration, improve rolling stability, and maintain low-noise performance across different travel surfaces.
ENERGY-DRY™
Protective surface treatment applied to the zipper tape to improve resistance against moisture and environmental exposure.
Frequently Asked Questions
Please find the answers of the most asked questions regarding our production and materials. If you have any further questions, don't hesitate to contact us at hello@openwaterstore.eu
What is Energy-Tec®?
Energy-Tec® is Openwater’s integrated engineering platform that defines the structural components, materials, and performance standards used across all products. It connects key technologies into a unified system designed to deliver consistent performance, durability, and long-term reliability.
Why is Energy-Tec® described as a platform rather than a feature?
Energy-Tec® connects multiple technologies into a single engineering structure. Instead of individual upgrades, mobility, shell strength, closure systems, and protective elements are developed to function together as part of a complete system.
Are Energy-Tec® technologies included in every product?
Yes. All Energy-Tec® technologies are integrated as standard components. Structural integrity, mobility systems, and closure security are engineered into every product from the beginning, ensuring consistent performance across collections.
What makes the Energy-Safe® zipper system more secure?
Energy-Safe® combines a reinforced double-coil zipper structure with solid one-piece Unicast pullers. Unlike conventional pullers assembled from multiple parts, Unicast pullers eliminate structural weak points, improving both durability and resistance to forced entry.
How does Energy-Stop® improve control during travel?
Energy-Stop® is an integrated wheel-lock system that stabilizes luggage on slopes, uneven surfaces, or during stationary moments. It allows controlled positioning without affecting rolling performance.
What improves the rolling performance of Energy-Smooth® wheels?
Energy-Smooth® wheels use controlled material composition and optimized geometry to reduce vibration and noise. Precision double bearings improve load distribution, resulting in smoother and more stable movement across different surfaces.
How does Energy-Strong® improve structural durability?
Energy-Strong® uses reinforced polycarbonate construction and strengthened structural zones to improve impact resistance and maintain shape stability under pressure and repeated use.
How do all Energy-Tec® technologies work together?
Each technology within Energy-Tec® is designed to support the others. Shell strength, wheel performance, locking systems, and closures are developed as interconnected elements within a unified engineering structure.