Materials

Materials and Hardware

Boundary Supply is committed to sustainable material innovation. We partner with Bluesign® Certified factories and mills to produce performance-focused materials that exceed expectations beyond the destination.

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YKK Zippers

The gold standard in zipper performance. YKK’s water-resistant zippers keep moisture out while gliding smoothly, giving Boundary packs industry-leading weather protection and longevity.

Duraflex

Industry-standard hardware built for strength, reliability, and long-term use. Duraflex buckles and adjusters are known for their durability and are used globally in technical outdoor and military gear.

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XPac VX21

A legendary laminated fabric engineered for extreme durability. VX21 uses a multi-layer construction with X-PLY® reinforcement, making it lightweight, weather-resistant, and incredibly tear-strong. Trusted in sailing, mountaineering, and now Boundary backpacks.

Woojin Magic Short Buckle

A compact, low-profile buckle engineered for strong hold with minimal bulk. Its streamlined design adds security without adding weight or size.

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Fidlock

Fidlock

Magnetic-mechanical hardware that delivers a secure, satisfying “click.” Fidlock buckles combine intuitive operation with high pull-strength, making them fast, easy, and reliable for one-handed access.

Trimmers Gated G-Hook

A premium aluminum hook system designed for fast, secure gating. Strong, low-profile, and built for modular add-ons, these G-Hooks excel in both durability and ease of use.

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