Inflatable paddle boards rely on an internal structure called dropstitch to become rigid when inflated. While many boards may look similar from the outside, the type and quality of dropstitch used inside the board plays a major role in stiffness, ease of use, safety, and long-term durability.
Below is an explanation that focuses on what dropstitch does—and how Glide approaches it differently.
What is dropstitch?
Dropstitch is the internal fabric that connects the top and bottom layers of an inflatable paddle board. Thousands of threads hold these layers apart, allowing the board to inflate into a rigid shape rather than a round tube.
Why this matters to you:
The quality and behavior of this internal structure directly affect how stiff the board feels, how much it flexes under load, and how much pressure is required to achieve good performance.
Knitted vs woven dropstitch
Not all dropstitch is the same. The two most common constructions are knitted and woven.
Knitted dropstitch
Knitted dropstitch uses looped fibers, similar to fabric knitting.
How it behaves:
Knitted construction tends to flex more in one axis than the other. Because of this, stiffness depends more heavily on increasing air pressure.
Why this matters to you:
Boards using knitted dropstitch often:
- Feel significantly stiffer only as PSI approaches the upper limit.
- Require more pumping effort to perform well.
- Have less margin for pressure increases caused by heat.
Woven dropstitch (used on all Glide boards)
Woven dropstitch uses fibers woven in a fixed pattern that resists flex in both directions (both axes).
How it behaves:
This construction is more dimensionally stable and does not rely on extreme pressure to control flex.
Why this matters to you:
Woven dropstitch allows boards to:
- Reach strong real-world performance around 12–15 PSI.
- Feel consistent across a wider pressure range.
- Provide a larger safety margin in warm or sunny conditions.
Cross-woven dropstitch
Many Glide models use a cross-woven dropstitch core, where fibers are oriented in multiple directions.
Why this matters to you:
Cross-woven construction further limits flex and torsional twist, which is especially noticeable:
- With heavier paddlers.
- When carrying fishing gear or cargo.
- During longer paddling sessions where efficiency matters.
The result is a more solid, predictable feel with less energy lost to board flex.
Dropstitch material sourcing (Sijia vs generic)
Glide boards use Sijia dropstitch fabric, a well-established supplier of dropstitch materials for performance inflatable products.
Rather than relying on generic or unbranded dropstitch fabric, Glide specifies material from a dedicated manufacturer chosen for consistency and reliability.
Why this matters to you:
Using dropstitch from a recognized supplier helps ensure:
- Consistent fiber density from board to board.
- Predictable stiffness and performance.
- Fewer variations between production runs compared to generic materials.
Dropstitch and real-world safety
Air pressure inside an inflatable board increases as temperatures rise. Boards that rely on very high PSI for stiffness operate closer to their limits in hot conditions.
Why this matters to you:
Boards that achieve stiffness at lower PSI:
- Are easier to inflate.
- Place less stress on seams and materials.
- Offer a greater margin of safety in warm environments.
Why Glide prioritizes dropstitch quality
Glide prioritizes woven and cross-woven dropstitch because it improves performance without relying on maximum pressure or minimal construction.
This approach aligns with Glide’s broader focus on durability, consistency, and real-world usability.
Summary
Dropstitch construction plays a central role in how an inflatable paddle board performs. Woven and cross-woven dropstitch cores provide better dimensional stability, require less pressure to perform well, and offer improved safety margins compared to basic knitted constructions.
This is why Glide uses high-quality woven dropstitch materials across its inflatable lineup.