Thunder
Thunder
Lightning-fast dry. Storm-level grip.
Thunder is our silica-enhanced liquid chalk built for humidity. It flashes off quickly, lays down a thin, even layer, and holds through long burns. Use it as a base layer under KUMO chalk or run it solo for low-dust sessions on comp volumes, fiberglass macros, and slick stone.
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What's Inside
What's Inside
Best For
Best For
How to Use
How to Use
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Altering Expectations
Aruta means “Alter”
Our core principles reflect our commitment to striving for excellence, fostering innovation and creativity, and promoting an environment of respect and inclusion both within our team and towards our valued customers.
Fit First
Real feet, real climate, real use‑cases—then we design. We start with ASEAN morphology (wider forefoot, snug/narrow heel) and the realities of humid gyms and painted volumes. Fit decisions are proven on the wall, not on paper.
Proof > Hype
Claims are earned via testing and measurable gains, not marketing. We move from prototype → gym trial → demo conversion, publishing the moments that matter and tracking the numbers behind them.
Built to Last
Fewer SKUs, higher standards. We design for practical longevity and transparent service: durable compounds, repair‑friendly choices where feasible, and replenishment you can count on.
FAQs
Why silica?
Why silica?
Do I still need loose chalk?
Do I still need loose chalk?
Will it dry my skin?
Will it dry my skin?
Indoor or outdoor?
Indoor or outdoor?
Aruta SG
We’re a Singapore-designed climbing brand creating products that make real sessions better—on humid gym volumes and slick stone across SEA.
Our approach is simple: Fit First. Proof Over Hype. Built to Last (with Community). We prototype in public, test with athletes, and only ship what earns its place in your kit.
