GTRST 'Six String Theory' Heavyweight Hoodie
Import duties and taxes included - nothing extra to pay on delivery
Designed with a relaxed oversized fit. Choose your usual size for the intended silhouette, or size down if you prefer a closer, more regular fit.
Import duties and taxes included - nothing extra to pay on delivery
Description
Six strings. Infinite possibilities.
There's a science to playing guitar. The precision of every note, the physics of every vibration and the creativity that turns six strings into something extraordinary.
The GTRST Six String Theory Hoodie celebrates that balance of creativity and technical mastery. Featuring understated Above Average Made for Music branding on the chest and a striking original Six String Theory back graphic, it's designed for guitarists who appreciate the craft as much as the music.
Built on a premium heavyweight hoodie, its substantial 460gsm construction delivers a structured, oversized silhouette with a relaxed, comfortable feel. It's a statement piece without sacrificing everyday wearability.
From rehearsal rooms to festival fields, this is heavyweight clothing built around the music you love.
Choose your size and make Six String Theory part of your lineup.
Sizing & Fit Guide
| Size | Half Chest (in) | To Fit Chest (in) | Shoulder (in) | Length (in) | Sleeve Length (in) |
|---|---|---|---|---|---|
| XS | 22.8 | 38–40 | 21.7 | 26 | 22.4 |
| S | 23.6 | 40–42 | 22.4 | 26.8 | 22.8 |
| M | 24.4 | 42–44 | 23.2 | 27.6 | 23.2 |
| L | 25.6 | 44–46 | 24.4 | 28.3 | 23.6 |
| XL | 26.8 | 46–48 | 25.6 | 29.1 | 24.4 |
| 2XL | 28 | 48–50 | 26.8 | 29.9 | 24.8 |
| 3XL | 29.1 | 50–52 | 28 | 30.7 | 25.2 |
| 4XL | 30.3 | 52–54 | 29.1 | 31.5 | 25.6 |
Loose fit with a structured shape — designed to sit off the body without feeling oversized or boxy. True to size offers a relaxed, easy fit. Size down for a closer, more standard silhouette. *'To fit' measurements are a guide and may vary based on body shape and preference.
How to measure:
Half chest — measured across the garment from one side to the other, just below the armpits.
Shoulder — measured from where the shoulder seam meets the sleeve, across to the other side.
Length — measured from where the shoulder seam meets the collar down to the hem.
The Fabric & Fit
Care
Shipping & Returns
Delivery without surprises
Estimated delivery: UK 5–8 days. US & EU 9–11 days. Free UK delivery on orders over £75.
Import duties and taxes included for UK, US & EU orders — no extra customs charges on delivery.
Shop with confidence
Changed your mind? Let me know within 14 days of delivery, then return within the following 14 days for a refund. Need another size? Exchanges are available within 30 days.
Return postage is your responsibility for change-of-mind returns and size exchanges. Trying on is fine—please keep your item otherwise unworn and unwashed.
Not Perfect. Above Average.
Started by a musician who picked his instrument back up after years away, and got tired of gear that looked the part but didn't hold up in the room. Every piece is designed with rehearsal, stage, and everyday life in mind — not just the photo. No hype drops, no chasing trends. Just clothing built the way we'd want to wear it ourselves, tested by people who actually live in it.