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Early access
Join the FTHUN list for drop alerts, restocks, and first-order access. No noise.
Use code FTHUN15 once the discount is active.
FTHUN cuts wrap the body instead of hanging off it. For a training fit take your usual size. Between sizes, or want it relaxed? Go one up.
Reference fit: 5'11", 78 kg, athletic build — wears size M.
Tops — tees & tanks
| Size | Chest | Length | Shoulder |
|---|---|---|---|
| S | 38" | 27" | 17" |
| M | 40" | 28" | 17.7" |
| L | 42" | 29" | 18.5" |
| XL | 44" | 30" | 19.2" |
Bottoms — shorts & joggers
| Size | Waist (relaxed) | Hip | Inseam |
|---|---|---|---|
| S | 28–30" | 38" | 7" / 27" |
| M | 30–32" | 40" | 7" / 28" |
| L | 32–34" | 42" | 7.5" / 29" |
| XL | 34–36" | 44" | 7.5" / 30" |
Quick check: lay your best-fitting tee flat and measure armpit to armpit. Double it — that's your chest size in the table.
Wrong size? Sorted. 7-day exchange on unworn gear with tags — we arrange the courier pickup.
Still unsure? Message @fthunofficial your height and weight — we'll answer with a size.