ELLIPSIS
Performance technology
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Performance Tech

The latest wearables tested for elite perfomance.

Tested under pressure.

Mapped to the 4D System.

Relevant to the EPI.

Independent reviews for elite athletes—what to buy, how to use it, what actually moves performance.

Oura Ring Gen3 product image
Sleep · Readiness · RingŌURA

Oura Ring Gen3

Sleep & readiness you can trust. Track nights, prep days.

Score: 8.9/10

WHOOP 4.0 product image
Recovery · HRV · WearableWHOOP

WHOOP 4.0

HRV that talks back to training. Recovery in real numbers.

Score: 8.7/10

Garmin Forerunner 965 product image
Endurance · GPS · WatchGARMIN

Garmin Forerunner 965

Ultra battery for ultra races. Data without distraction.

Score: 9.1/10

Go deeper with Performance Tech

Membership takes you inside the game. Get full gear breakdowns, pro case studies, and testing protocols used by elite athletes. From locker room to track, from pool deck to pitch, see what tech holds up under pressure.

Every review is connected back to your 4D System and EPI profile, so insights aren't theory— they translate directly into how you train, recover, and perform when it counts.

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