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Pull it on and you're done — dressed right for the office, dinner, or the flight out. No collar to fuss, no logo, no second-guessing. Just quiet confidence, on repeat.
★★★★★Loved by thousands of men who stopped shopping.
You've stood in front of that closet a thousand times.
Too casual. Too much. Wrong for the weather. Wrong for who'll be there. It's a small decision you make every single day — and small decisions, repeated, quietly drain the energy you'd rather spend on everything else.
103
hours a year deciding what to wear
That's more than four full days. Imagine getting them back — one effortless morning at a time.
Here's what changes
One shirt. Every occasion.
Tuck it in, wear it out. Under a blazer, under a bomber, on its own. It reads right everywhere you go — so you never have to ask the question again.
Work
Work
Under a blazer, buttoned-down without the buttons.
Dinner
Dinner
Clean and considered, no effort required.
Travel
Travel
Wrinkle-friendly and comfortable for hours.
Weekend
Weekend
With jeans, sleeves pushed, done.
The math on versatility
One shirt. A whole wardrobe.
Wear it tucked or untucked. Layer it solo, under a bomber, or under a blazer. Every combination reads right — so one shirt quietly turns into a closet full of outfits.
Untucked
Untucked
+
Tucked in
Tucked in
+
With a bomber
With a bomber
+
With a blazer
With a blazer
Work · Dinner · Travel · Weekend
Never the over-dressed one. Never the under-dressed one.
Pull on any one of them and you walk in knowing you look right. That quiet certainty is why it becomes the first thing you reach for — and why three is better than one.
Why they reach for it every day
Built to be the easy choice.
01
Ultra soft
Broken-in feel from the very first wear.
02
4-way stretch
Moves with you and springs back into shape.
03
Premium weight
Drapes cleanly instead of clinging.
04
Pre-shrunk 2×
The fit you buy is the fit you keep.
05
Zero decisions
Grab it and go — it works everywhere.
06
No logos, no noise
Quiet confidence, nothing to explain.
The feel
The moment you put it on, you'll get it.
95% cotton, 5% elastane. Premium weight that drapes instead of clinging, with just enough stretch to move with you all day.
"Wore it under a blazer to a wedding, then with jeans the next day. Same shirt, completely different look."
Michael B.
Verified buyer
"I own about ten of them now. I've basically stopped buying other shirts."
Keith M.
Verified buyer
"Bought two of every color. Under a jacket it looks sharp, on its own it's clean. Can't beat it."
Mark D.
Verified buyer
"Fits exactly how a shirt should. Not tight, not baggy — just right."
John W.
Verified buyer
"Hands down my favorite shirt. It's the first thing I grab every morning."
Pete A.
Verified buyer
"Soft, holds its shape, and I never have to think about it. That's the whole point."
Rue W.
Verified buyer
"Dress it up, dress it down — it just works, every time."
Johnny G.
Verified buyer
"The quality is a step above. It feels premium the second you put it on."
Harry W.
Verified buyer
Make it yours
Build your rotation.
Most men come back for more anyway. Start with three and you're set for the whole week — for less than $33 a shirt.
PRODUCT PHOTO
★★★★★ 4.9 average · thousands of 5-star reviews
Size
Color
Choose your 3 colors
Qty
1
Risk-free — free 30-day returns. Don't love it, send it back.
Why we made it
"I was tired of a closet full of shirts and nothing to wear. So I built the one shirt that works everywhere — and never had to think about it again."
We obsessed over the weight, the stretch, and the neckline until it looked sharp under a blazer and easy on its own. No logos, no noise — just a shirt you'll trust every morning.
David
Founder, CO36
Stop deciding. Start reaching.
Three shirts, one week, zero decisions. Try it risk-free for 30 days.
Mock Neck T-Shirt
3-Pack $99 · single $42 · free returns
Find your size
Tell us your height and weight — we'll recommend your best fit in seconds.
Your recommended size
The mock neck fits true to size — not too tight, not too loose. Fitted where it matters.
★★★★★
Measurements (inches)
Size
Chest
Length
Sleeve
XS
34–36
27
8
S
36–38
28
8.25
M
38–40
29
8.5
L
41–43
30
8.75
XL
44–46
31
9
XXL
47–49
32
9.25
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