Native bast hemp
Irregular, rough
Native bast hemp is irregular and rough, which is why traditional hemp feels coarse.
Rivanne
Introducing the Fiber
Rivanne™
Engineered Plant Fiber
Regeneratively-grown hemp, restructured to perform the way activewear should, with performance built into how the fiber is made, not added on top.
Regeneratively-Grown
We seek out degraded soil, so we can rebuild it.
Our current batch of Rivanne was grown on 49 acres of degraded tropical land. Seeds are inoculated with a mycorrhizal fungi blend. As the taproots break up compacted earth, the fungi build the nutrient networks healthy soil depends on. No pesticides. No synthetic fertilizers.
After harvest, the enriched soil is replanted with native species. The goal is restored biodiverse forest, not a monoculture. Your garments, and future carbon credits from that reforestation, fund the next stretch of degraded land, and the cycle begins again.
Regenerated Fiber
The chemistry stays plant. The architecture becomes ours.
Rivanne
Round, smooth, continuous
The softness comes from the geometry of the filament, not a chemical finish.
Regenerating cellulose means dissolving the plant fiber and spinning it back into a continuous filament. The material stays natural. What we take under control is the molecular architecture: crystallinity, cross-section, and surface. None of those levers exist when you spin native hemp the traditional way.
What the Engineering Delivers
Built into the fiber, not added on top.
It performs because of how it is built, not because of chemistry added to it.
01 Softness against the skin
Round, smooth, continuous cellulose. Softer than synthetic and made from plants.
Rivanne is spun with a round, smooth cross-section and a continuous surface. Native bast hemp is irregular and rough, which is why traditional hemp feels coarse. The softness comes from the geometry of the filament, not a chemical finish.
02 Moisture management
Sweat drawn away from the skin, not pooling against it.
Cellulose is hydrophilic. Its hydroxyl groups bond with water, and the fiber's internal architecture gives moisture a continuous path from the surface into the fiber. The mechanism is the chemistry of the cellulose, organized by the shape of the fiber.
03 Thermoregulation
Cool on contact. Cooling when you work, dry when you rest.
The same water movement carries heat. Moisture entering the fiber pulls heat from your body. Evaporation carries it away. This is latent-heat physics, driven by hydrophilic cellulose.
04 Natural odor performance
Re-wear confidence, without an antimicrobial treatment.
A hydrophilic surface does not spread sebum the way synthetics do, so odor bacteria have less to feed on. Natural moisture regain holds odor molecules in the fiber until you wash them out. No antimicrobial chemistry is applied.
05 Strength and stability
The garment holds its shape because the molecules hold theirs.
Regeneration pulls the cellulose chains into tighter alignment along the fiber axis. Higher crystallinity and better alignment mean higher tensile strength and better dimensional stability.
06 Skin-friendly by construction
No PFAS. No BPA. No formaldehyde. No antimicrobials.
No wicking finishes. No chemical softeners. The work those chemicals normally do is already done by the chemistry of the plant and the architecture of the fiber.