On A Box
HYROX Athlete Definition Tee – Only 1K Men's / Unisex
HYROX Athlete Definition Tee – Only 1K Men's / Unisex
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HYROX Athlete hy·rox ath·lete /ˈhī-roks ˈath-lēt/ noun Someone who says “it’s only 1K” eight separate times.
The HYROX Athlete Definition Tee – Only 1K is for the athlete who keeps telling themselves the next run is short, while conveniently ignoring the fact that they have to say it eight times.
The small On A Box™ logo keeps the front clean, while the back features a simple dictionary-style definition for anyone who has ever used “it’s only 1K” as a race-day coping mechanism.
This Men’s / Unisex tee is made with an ultra-soft, lightweight tri-blend and an easy everyday fit designed to feel broken-in from the first wear.
Perfect for HYROX training, race weekends, gym sessions, recovery days, coffee stops, or anyone who has repeated the same reassuring lie eight times in one race.
Soft enough to recover in. Optimistic enough to call it “only 1K.”
Also available in a Women’s fit.
Take your sport seriously. Not yourself.
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Product Details
Fit & Fabric
Premium structured trucker hat with a high-profile fit and flat bill.
- 80% acrylic / 20% wool front
- 100% polyester mesh back
- Structured six-panel construction
- High-profile crown
- Flat bill
- Adjustable snapback closure
Size Guide
Fit note: If you prefer a roomier fit, size up. See the size chart for garment measurements.
Wash & Care
Keep your hoodie looking good:
Machine wash cold, inside out, with like colors. Use mild detergent. Tumble dry low or hang dry. Do not bleach. Do not iron directly over the printed design.