The Cassius- Merino Athletic Tee
The performance tee that wicks like polyester — without the plastic, the smell, or the microplastic shedding.
5×
Wear It Five Times
Between washes
℃
Temp-Regulating
Cool in heat, warm in cold
∅
Odour-Resistant
Naturally antibacterial
♺
Zero Plastic
100% biodegradable
Naturally Grown
100% Merino
Travel Tested
|
Raglan sleeves with full shoulder mobility. Relaxed through the body. Runs one size larger in the chest than The Bruce — size down for a slimmer fit. Model is 6 '1 and wears a large.
Founder-shipped. Orders placed now dispatch the week of 1 July.
The Cassius- Merino Athletic Tee
Sale price$90 USD
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The Cassius- Merino Athletic Tee
Sale price$90 USD
The Math
A merino gym tee that lasts longer than the polyester one — without the plastic.
| The Cassius | Cotton Tee | Polyester Tee | |
| Wears per wash | 3–5 | 1 | 1 |
| Years of regular wear | 4–6 | 1–2 | 1 |
| Holds odour? | No | Yes | Yes (worse) |
| Hot & cold weather? | Both | Cool only | Neither |
| Microplastics per wash | None | None | 100,000+ |
| Cost per year (5 yrs) | $18 | $20 | $32 |
The performance tee that's actually clothing — not a plastic bottle.
Fabric & Construction +
Lightweight 100% superfine Australian Merino jersey. Breathable, fast-drying, and odour-resistant through repeat workouts.
Fit & Sizing +
Athletic fit, slightly tapered. True to size. View full size guide →
Care +
Wash cold on wool cycle. Lay flat to dry, never tumble. Full care guide →
The Story +
Built for movement, named in the family tradition — merino, reimagined for the gym.
The Starter Set
Want all three? Save $35.
One Bruce in Caramel, one George in Royal Blue, one Cassius in Shadow — the wardrobe rotation, at $290 for the set.
Shop The Set →