Buttery soft modal blend fabric: Provides a smooth, comfortable feel against the skin
4-way stretch material: Ensures freedom of movement and a perfect fit under clothing
Built-in recovery: Offers gentle compression to support and enhance posture
Lightweight and breathable: Keeps you cool and fresh all day
Machine washable: Easy care for everyday wear
Summarized by Shop
Details
The ONE BONE Undershirt is your new secret weapon for everyday comfort and confidence - it delivers a light, breathable layer with just the right amount of compression. Made from a buttery-soft blend of 90% Lenzing Modal and 10% Elastane, this undershirt moves with you thanks to 4-way stretch and built-in recovery. Keeps you cool
Material
90% Lenzing modal, 9% elastane
Stretch
4-way stretch
Care
Machine wash cold, tumble dry
Fit
Designed for compression, fits under clothing
Origin
Made in Cambodia
Summarized by Shop
5.0
14 ratings
5
4
3
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1
So comfy
Had a couple of these in white and was excited to pick up 3 in black. Super stretchy, normally get OB shirts in size 4, but got these in size 3 for a bit more compression and they’re great!
L
Lars · 4 days ago
Fantastic!!
Best undershirts I’ve ever had.
Ordering a ton more and changing out my drawer on my dresser.
B
Barry · May 20, 2026
Game Changer for Everyday Comfort
I replaced all my cotton undershirts with these Onebone undershirts, and I’m never going back! The quality is top-notch, the fabric is super stretchy, and best of all, they stay perfectly in place all day. No more constant adjusting or retucking like with regular cotton shirts. They move with you, not against you. If you’re on the fence, these are worth every penny. Highly recommend.