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27 October 2026StrategyRevisiting5 min read

Why we started with set stacks

We could have let everyone build their own month. We didn’t — on purpose. Here’s the reasoning, and what we’ve learned since.

Profile portrait in a white topstack_01 · sculpt
Sculpt
Women’s health · Lagree, yoga, recovery, hormones
CORE40 Megaformer × 3$114
Body Temp hot yoga × 2$58
Rhoades infrared sauna$45
Thorne creatine, daily$36
Proov hormone tracker$30
OLLY women’s multi, daily$9
Magnesium, daily$7
At drop-in prices$299 a month
Rewards$441 a year
Man training on ringsstack_02 · metro
The Metropolitan
Social and brand-name · Barry’s, hot yoga, contrast therapy
Barry’s × 4$152
Body Temp hot yoga × 2$58
Vital Ice contrast therapy$40
DEXA scan, every 4 months$15
Celsius × 5$12
Premier Protein shakes × 4$10
Testosterone test, yearly$7
Liquid I.V. × 4$6
At drop-in prices$300 a month
Rewards$299 a year
Runner on a stair in hard lightstack_03 · performance
High Performance
Training first · recovery, body composition, blood data
Tranquil massage, 60 min$139
Vital Ice contrast therapy × 3$120
DEXA scan$60
Gold Standard whey, 2 lb$55
Quest bars × 12$45
Thorne creatine, daily$36
Lingo glucose sensor$27
Testosterone test, yearly$7
At drop-in prices$489 a month
Rewards$877 a year
The three stacks as they went live on 1 November, at drop-in prices. Photos are reference frames.

The most obvious version of Sweat Equity is a menu: pick the classes you want, we find you a better price. We started with the opposite — three fixed stacks, each a full month for one kind of person.

The short version

Set stacks keep the business simple enough to run by hand, and they force us to decide who we’re for. Both matter more than flexibility when you have no members yet.

Why set stacks

Less to get wrong

One stack means one set of packs to buy, one price, one number to explain. A build-your-own basket multiplies every one of those by every member.

Packs only split if baskets match

We buy whole packs and share them across a group. That only works if the group wants the same packs. A set stack makes the group’s basket identical by design.

Three people, not everyone

Each stack is a person we can picture: who she is now, who she’s becoming. Three clear people tell us faster who actually signs up than one vague menu.

One brand per frame

Every stack is its own world — its own photography, colour and voice. You can only do that if each one is a fixed thing you can art-direct.

A promise in one line

“$441 a year in rewards” only means something if we know exactly what’s in the month. A set stack lets us state the number before you’ve chosen anything.

A clean test

Three fixed options are an experiment. Whichever stack fills first, and which one nobody picks, is the cleanest signal we can get in two weeks.

The complexity we avoided

A menu sounds simpler to the member. It’s much harder for us. Every member’s basket is different, so packs stop splitting cleanly, prices stop being one number, and the optimizer has to solve a new problem for every person instead of one problem per group.

choice space · per member
Build your own, from the price book
Every product, every count, every combination — and a different basket for every member.
Set stacks
sculptmetroperformance
Three baskets. Everyone in a group holds the same one.
Illustrative. The point is the shape of the problem, not the count.

With set stacks, all of that collapses. One group, one basket, one set of packs, one price. The optimizer only has to answer one question per stack: what’s the best month for these people?

Who we’re for

Three stacks is also a bet on three people. Sculpt is for the woman who lives at Lagree and cares about hormones and labs. The Metropolitan is for the guy whose week is Barry’s and hot yoga with friends. High Performance is for the athlete who wants recovery and data. Naming them made every other decision easier — what goes in each month, how each one looks, what we say.

What we heard

We put the stacks in front of people. The answer was clear: a fixed bundle felt too rigid. Almost everyone already has one or two favourite studios they go to every week — and they don’t want to trade them for ours.

That doesn’t undo the reasoning. It tells us where it breaks. The persona still holds; the basket has to bend around the routine people already have.

What we’re testing next

Three build-your-own models, each keeping as much of the simplicity as we can:

Remix

The three stacks stay, as starting points you can edit.

Anchor + Orbit

Your own one or two studios at the centre, with extras you choose around them.

Routine, Rewarded

Keep your routine as it is. It runs through us at today’s price, and the spread comes back as a rewards balance to spend.

We’ll put all three in front of people and report back here.