Sold In Limited Quantities
Season 1
Release 1
Origin - Obsidian
Season 1 - Release 1
Origin - Obsidian
Limited to 15
Produced in limited quantity.
Includes numbered medallion.
All sales final.
Origin - Obsidian
Origin marks the beginning - where everything is rebuilt with intention.
Obsidian reflects strength shaped under pressure, defined by precision and control
Material & Design
Custom four-fabric blend with a premium, refined feel.
Embossed typography and embroidered logo detailing create depth with an elevated finish.
Designed to be your standard for everyday luxury wear.
Size Chart
MEDIUM: T-shirt & Hoodie
Chest: 37 - 40in
Waist: 32 - 34in
Hip: 39 - 41in
Height: "5'8" - "5'10"
MEDIUM: Joggers
Waist: 32 - 34in
Hip: 39 - 41in
Inseam: 30in
Out seam: 39in
Height: "5'8" - "5'10"
LARGE: T-shirt & Hoodie
Chest: 41 - 44in
Waist: 35 - 38in
Hip: 42 - 45in
Height: "5'10" - "6'0"
LARGE: Joggers
Waist: 35 - 38in
Hip: 42 - 45in
Inseam: 31in
Out seam: 40in
Height: "5'10" - "6'0"
EXTRA LARGE: T-shirt & Hoodie
Chest: 45 - 48in
Waist: 39 - 43in
Hip: 46 - 49in
Height: "6'0" - "6'2"
EXTRA LARGE: Joggers
Waist: 39 - 43in
Hip: 46 - 49in
Inseam: 32in
Out seam: 41in
Height: "6'0" - "6'2"
Help Build the Future Instinct Calisthenics App
Not ready for the limited edition release?
You can still be part of the mission.
Support the development of the future Instinct Calisthenics mobile app - a platform being built around bodyweight strength, skill progressions, mobility, freestyle calisthenics, education, and community.
Early supporters receive updates as the app vision moves forward.
Legacy Supporter and Premier Supporter tiers receive Founding Member app pricing when the app launches.
Instinct Calisthenics
Founder
Hello, I’m Alexander Williams, founder of Instinct Calisthenics.
I am a professional freestyle calisthenics athlete and one of the top athletes in the United States, with four first-place competition finishes.
Five years ago, during a main event, everything changed. I fully tore my left pec tendon - an injury that put everything at risk. Surgery was immediate. The outcome was uncertain.
In that moment, I was forced to confront something deeper than performance.
Whether I would compete again was unclear.
What I knew was that I wasn’t finished.
Instinct Calisthenics was built in that space - not from certainty, but from discipline. From the decision to rebuild, to refine, and to return stronger.
This is not just about training.
It’s about identity.
It’s about who you become when everything is taken from you.
If you’re here, you’re exactly where you need to be.
Season 1 has begun.
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Discipline · Identity · Purpose