
01 · GS-K1/T
The tee
All-over triangle-lattice and streak print. GENETICS mark on the chest, GENETICS label at the neck.
- Fabric
- —
- Care
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REF GS-K1 · ISSUE 01
Training Kit · Tee + shorts · £50
Tee and shorts, £50 the set, in three colourways and four sizes. Crew socks are £10, sold separately. Everything we know about it is on this page, and what we don’t know yet is marked.

REF GS-K1 · TAG
That’s the whole decision. One size covers the tee and the shorts. Socks are optional, £10, one size.
Blue · The set
Training Kit · Issue 01 · REF GS-K1
Sold separately · worn in the gym photos
Tee and shorts are not sold separately · Delivery and returns ↓
REF GS-K1 · CONTENTS
Two pieces in the set, and the socks if you want them, listed in full. Where the fabric isn’t confirmed yet, we say so rather than guess.

01 · GS-K1/T
All-over triangle-lattice and streak print. GENETICS mark on the chest, GENETICS label at the neck.

02 · GS-K1/S
Black, with a large G on the left leg and a chevron at the hem, both in blue. Small GENETICS mark above the hem.

03 · GS-K1/X · Sold separately · £10
Crew length, GENETICS mark on the leg, white or black. Not part of the set: £10 a pair, added on the label in one tap.
REF GS-K1 · MARK
A single lettermark on the left leg and a chevron at the hem, in the colour of the set. That is the whole decoration.
REF GS-K1 · COLOURWAYS
Same pose, same light, same frame, so the only thing that changes is the colour. Each is shown with its sock pairing (black with Grey, white with Green and Blue); socks are sold separately. Tap one to choose it.
REF GS-K1 · SIZING
We’ll publish flat measurements in centimetres, not words like “relaxed” or “true to size”. Until they’re confirmed, the table stays blank rather than guessed.
| Size | Chest, flat | Tee length | Shorts waist, flat |
|---|---|---|---|
| S | — cm | — cm | — cm |
| M | — cm | — cm | — cm |
| L | — cm | — cm | — cm |
| XL | — cm | — cm | — cm |
01 Tried it on at a gym pop-up? Order that size.
02 Between sizes? Message us before you order and we’ll measure one for you.
REF GS-K1 · DISPATCH
REF GS-K1 · QUESTIONS
REF GS-B1 · ALSO CHECKED
The kit carries the name of the supplements. Open labels, numbers before adjectives.