GTRST 'Six String Theory' Tee
Designed with a relaxed oversized fit and purposefully runs on the large side. Check the actual garment dimensions in the chart as you may need to size down.
Description
Six strings. Infinite possibilities.
Every riff, every solo, every song starts with six strings.
The GTRST Six String Theory Tee celebrates the connection between the instrument, the player and the sound they create.
A large, distressed numeral six forms the centrepiece of the back print, intersected by an intricately detailed guitar neck. The strings transition into a waveform-inspired design, bringing together the craftsmanship of the instrument and the science of sound.
A small ABOVE AVERAGE / MADE FOR MUSIC chest print keeps the front clean and understated.
Printed on an oversized, drop shoulder tee, it's made for rehearsals, gigs and everything in between.
Above Average. Made for Music.
Sizing & Fit Guide
| Size | Half Chest (in) | To Fit Chest (in) | Shoulder (in) | Length (in) | Sleeve Length (in) |
|---|---|---|---|---|---|
| S | 22.4 | 38–40 | 20.8 | 27.9 | 8.6 |
| M | 23.6 | 40–42 | 22 | 28.7 | 9 |
| L | 24.5 | 42–44 | 23.2 | 29.5 | 9.4 |
| XL | 26 | 44–46 | 24.4 | 30.3 | 9.8 |
| 2XL | 27.1 | 46–48 | 25.6 | 31.1 | 10.2 |
Oversized, loose fit with dropped shoulders and a softer drape - designed to sit wider on the body with a more relaxed silhouette. True to size offers a loose, oversized fit. Size down for a still relaxed, but less oversized fit. *'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
UK delivery in 5–8 days. US and EU in 9–11 days. Free UK shipping over £75.
Made to order, so we don't accept change-of-mind returns, but sizing exchanges are no drama within 30 days.
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.