96% cotton / 4% spandex, 280 GSM, four-way stretch. Built for people who understand the difference between slogans and science.
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DELIVERY
Standard — 9–14 business days — $5.99
Free Standard Delivery on orders $100+
Priority — 7–9 business days — $12.99
- Built to Last — 100 Wash Cycles
- Sharp Print, Zero Peeling
- 280 GSM Cotton-Spandex, Built to Move
Not motivation. Principles. Built for people who understand the difference between slogans and science.
Fabric & Fit
Fabric & Fit
96% cotton / 4% spandex, 280 GSM — a ribbed, slim racerback build with real stretch recovery, not a stiff cotton blank cut down to a tank.
- 96% cotton / 4% spandex, 280 GSM — four-way stretch that moves with you through a set, then holds its shape afterward instead of sagging out.
- Ribbed knit, scoop neckline, racerback cut — cut close through the body and shoulder, built to layer under a hoodie or stand on its own through a training block.
- Sleeveless by design — full range of motion through the shoulder, no bunching under a barbell or a backpack strap.
- EMPIRIC's slim fit — closer to the body than our tees; check this product's own size chart before ordering.
- Available S–XL — see the size chart for exact measurements.
Care: machine wash cold (30°C), inside out, with similar colors. No bleach. Tumble dry low. Do not iron directly on the print. Do not dry clean.
Size Guide
All measurements in inches.
Length — Measure from the highest point of the shoulder straight down to the hem.
Shoulder — Measured seam to seam across the back, at the narrowest point of the racerback cut.
Chest — Measured pit-to-pit across the garment, laid flat.
Slim, ribbed fit. Between sizes? Size up for a more relaxed fit.
Shipping & Returns
Shipping & Returns
Delivery — Standard: 9–14 business days, $5.99 (free on orders $100+). Priority: 7–9 business days, $12.99.
Made to order. Every EMPIRIC piece is produced after you order it in the size and color you choose, so we're not able to accept returns or exchanges for wrong size, fit preference, wrong color, wrong variant, or a change of mind — check the Size Guide and your measurements before ordering.
If we get something wrong, we'll make it right — damaged, defective, misprinted, or the wrong item or variant because of our error gets a free replacement or full refund, no cost to you. Full details: Shipping & Returns. Contact hello@empiricwear.com.
The lightest way to carry the Mind Is Biology print through a training block or a hot afternoon. Slim, ribbed, and sleeveless — built for the days the hoodie stays home.
- 96% cotton / 4% spandex, 280 GSM — a ribbed, slim racerback build with real stretch recovery, not a stiff cotton blank.
- Scoop neckline, durable binding, sleeveless — cut close through the body, built to layer under a hoodie or stand on its own through a training block.
- Black or Dark Gray — two clean, low-key colorways, sized S–XL.
- Care: machine wash cold (30°C), inside out, with similar colors. No bleach. Tumble dry low. Do not iron directly on the print. Do not dry clean.
The Concept — Biopsychosocial Model
Perception, stress, expectation, and pain aren’t separate from the body — they run through the same nervous system that also manages muscle, joints, and connective tissue. Not two systems answering to different rules, but one, integrated, reading and responding to itself. Clinicians call that the Biopsychosocial Model; it’s the reason pain was never “just mental” to begin with.
Also in Tee
Same concept, sleeveless build. Mind Is Biology →
Size Guide — S–XL
| Size | Length | Shoulder | Chest* |
|---|---|---|---|
| S | 22.4" / 57 cm | 8.0" / 20.2 cm | 11.4" / 29 cm |
| M | 23.0" / 58.5 cm | 8.3" / 21 cm | 12.2" / 31 cm |
| L | 23.6" / 60 cm | 8.6" / 21.8 cm | 13.0" / 33 cm |
| XL | 24.2" / 61.5 cm | 8.9" / 22.6 cm | 13.8" / 35 cm |
*Chest measured pit-to-pit across the garment, laid flat. Length measured from the shoulder seam straight down to the hem. Between sizes? Size up for a more relaxed fit.

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Follow The Research
The shirt is the summary. The feed is the citation.
Every DROP 001 design starts as a physiology principle - Wolff's Law, disuse atrophy, the gap between imaging and outcome - before it's ever a print. We break down the research behind each piece on Instagram, not just the product shots.
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