Just put any 2 ONE Shirts in your cart (kids or adult) and a Women's ALL tank of your choosing, and the ALL Tank will be automatically FREE
From Trail to Pub
Goes with anything and packs small.
WOMEN | FLEX Tank (Reversible + Convertible)
Sale price
$40.00
Regular price $30.00SCROLL DOWN FOR A FULL BREAKDOWN OF THE SHIRT AND BEST USES
Reversible design – Rounded neck on one side, V-neck on the other
Convertible silhouette – Tie both sides, one side, or wear loose
95% Bamboo / 5% Spandex – Ultra-soft with stretch that holds shape
UPF 50 sun protection – Built-in coverage for long days outside
Moisture-wicking + breathable – Keeps you cool and dry
OEKO-TEX® certified – Free from harmful chemicals
Designed for real women’s bodies – Comfortable, flattering drape
Womens Sizing
Run true to size.
Fits is slightly loose for max comfort. If you prefer a close to skin fit, consider one size down. The fabric is incredibly stretchy.
Measurements listed below to ensure a perfect fit
- With every item you buy from Play Outside, we save 2 or more from a landfillThrough our partnership with OSOMTEX.
- We offset the carbon from shipping by planting trees through our partnership with One Tree Planted
- We select materials that are kind to the environment, while remaining the best for outdoor adventure.
FAQs: The ONE Bamboo Shirt
1. What is The ONE Shirt?
The ONE Shirt is Play Outside's all-season, all-purpose, super-soft bamboo shirt.. It’s designed to be the ultimate versatile piece for every season and activity, from summer hikes to winter layering, and even as cozy pajamas. It’s made with sustainability, comfort, and durability in mind.
2. What makes The ONE Shirt different from regular shirts?
The ONE Shirt is crafted from a high-quality bamboo blend that’s naturally breathable, moisture-wicking, and thermo-regulating. This means it keeps you cool in the summer and warm in the winter. It’s also anti-odor, incredibly soft, and safe for sensitive skin, making it perfect for active outdoor play and everyday adventures.
3. What seasons is The ONE Shirt suitable for?
The ONE Shirt is designed for all seasons. In warmer months, its breathable bamboo fabric helps keep you cool and protected from the sun. In cooler months, it’s perfect as a base layer due to its moisture-wicking and temperature-regulating properties.
4. How do I style The ONE Shirt for different weather conditions?
In summer, pair it with shorts or lightweight pants for a breathable, sun-safe outfit. In winter, layer it under jackets, hoodies, or heavier sweaters as a soft, moisture-wicking base layer. If there is snow, make sure to tuck the hood under the sweater so it stays dry. It’s also great as cozy sleepwear!
5. Is The ONE Shirt eco-friendly?
Yes! The ONE Shirt is made with a bamboo blend, which is an and eco-friendly material. Bamboo grows quickly, requires less water, and regenerates naturally, making it an excellent choice for environmentally-conscious parents. We also donate to OSOMTEX making sure that for every product you buy, we remove fashion waste from landfills.
6. How does The ONE Shirt hold up against wear and tear?
The ONE Shirt is designed with durability in mind. Its bamboo blend fabric is not only soft but also strong and resilient to rough play and outdoor adventures. It’s also machine washable, making it easy to care for.
7. How do I care for The ONE Shirt?
For best results, machine wash The ONE Shirt in cold water and lay it flat or hang it to dry. This helps maintain its shape, softness, and durability over time. Avoid using bleach or fabric softeners.
8. Is The ONE Shirt suitable for sensitive skin?
Absolutely! The bamboo fabric is hypoallergenic and super soft, making it gentle and safe for people with sensitive skin. It’s free from harsh chemicals and designed with kids’ comfort in mind.
9. Can The ONE Shirt be worn as pajamas?
Yes! The ONE Shirt is so soft and comfortable that it’s perfect for sleepwear. It’s breathable and keeps your little one cozy without overheating, making it ideal for restful sleep.
10. Does The ONE Shirt provide sun protection?
Yes, The ONE Shirt offers UPF 50+ protection, helping to shield your child from harmful UV rays during outdoor activities.
Sale price
$40.00
Regular price $30.00SCROLL DOWN FOR A FULL BREAKDOWN OF THE SHIRT AND BEST USES
Reversible design – Rounded neck on one side, V-neck on the other
Convertible silhouette – Tie both sides, one side, or wear loose
95% Bamboo / 5% Spandex – Ultra-soft with stretch that holds shape
UPF 50 sun protection – Built-in coverage for long days outside
Moisture-wicking + breathable – Keeps you cool and dry
OEKO-TEX® certified – Free from harmful chemicals
Designed for real women’s bodies – Comfortable, flattering drape
Womens Sizing
Run true to size.
Fits is slightly loose for max comfort. If you prefer a close to skin fit, consider one size down. The fabric is incredibly stretchy.
Measurements listed below to ensure a perfect fit
- With every item you buy from Play Outside, we save 2 or more from a landfillThrough our partnership with OSOMTEX.
- We offset the carbon from shipping by planting trees through our partnership with One Tree Planted
- We select materials that are kind to the environment, while remaining the best for outdoor adventure.
FAQs: The ONE Bamboo Shirt
1. What is The ONE Shirt?
The ONE Shirt is Play Outside's all-season, all-purpose, super-soft bamboo shirt.. It’s designed to be the ultimate versatile piece for every season and activity, from summer hikes to winter layering, and even as cozy pajamas. It’s made with sustainability, comfort, and durability in mind.
2. What makes The ONE Shirt different from regular shirts?
The ONE Shirt is crafted from a high-quality bamboo blend that’s naturally breathable, moisture-wicking, and thermo-regulating. This means it keeps you cool in the summer and warm in the winter. It’s also anti-odor, incredibly soft, and safe for sensitive skin, making it perfect for active outdoor play and everyday adventures.
3. What seasons is The ONE Shirt suitable for?
The ONE Shirt is designed for all seasons. In warmer months, its breathable bamboo fabric helps keep you cool and protected from the sun. In cooler months, it’s perfect as a base layer due to its moisture-wicking and temperature-regulating properties.
4. How do I style The ONE Shirt for different weather conditions?
In summer, pair it with shorts or lightweight pants for a breathable, sun-safe outfit. In winter, layer it under jackets, hoodies, or heavier sweaters as a soft, moisture-wicking base layer. If there is snow, make sure to tuck the hood under the sweater so it stays dry. It’s also great as cozy sleepwear!
5. Is The ONE Shirt eco-friendly?
Yes! The ONE Shirt is made with a bamboo blend, which is an and eco-friendly material. Bamboo grows quickly, requires less water, and regenerates naturally, making it an excellent choice for environmentally-conscious parents. We also donate to OSOMTEX making sure that for every product you buy, we remove fashion waste from landfills.
6. How does The ONE Shirt hold up against wear and tear?
The ONE Shirt is designed with durability in mind. Its bamboo blend fabric is not only soft but also strong and resilient to rough play and outdoor adventures. It’s also machine washable, making it easy to care for.
7. How do I care for The ONE Shirt?
For best results, machine wash The ONE Shirt in cold water and lay it flat or hang it to dry. This helps maintain its shape, softness, and durability over time. Avoid using bleach or fabric softeners.
8. Is The ONE Shirt suitable for sensitive skin?
Absolutely! The bamboo fabric is hypoallergenic and super soft, making it gentle and safe for people with sensitive skin. It’s free from harsh chemicals and designed with kids’ comfort in mind.
9. Can The ONE Shirt be worn as pajamas?
Yes! The ONE Shirt is so soft and comfortable that it’s perfect for sleepwear. It’s breathable and keeps your little one cozy without overheating, making it ideal for restful sleep.
10. Does The ONE Shirt provide sun protection?
Yes, The ONE Shirt offers UPF 50+ protection, helping to shield your child from harmful UV rays during outdoor activities.
Size guide
Find your perfect fit using our size chart below
| Size | Chest (in) | Length (in) | |
|---|---|---|---|
| W. Small | 18.1 | 24 | |
| W. Medium | 19.5 | 25.2 | |
| W. Large | 20.5 | 26 | |
| W. X Large | 22 | 68 |
All measurements are in inches. Chest is taken from one under arm to the other, for round measurement, simply double it.
A QUICK SNAPSHOT
FLEX TANK
IN A NUTSHELL
Reversible + convertible
Wear the rounded neck or V-neck; tie both sides, one side, or wear loose.
Insanely Soft
95% bamboo viscose and 5% spandex, with a moisture-wicking, breathable feel.
Materials and standards
UPF 5095% Bamboo / 5% SpandexOEKO-TEX CertifiedMoisture-wicking + breathable
A quick weather guide
Climate
Dry and humid
Best conditions
☀ Sun☁ Cloudy
Works best for hot summer days, gym days or casual outings.
Great for
- Hiking and trail walks
- Travel, with a reversible convertible design
- Gym and training
- Beach days and outdoor sports
- Casual pubs and restaurants
Not so great for
- Full sun coverage
- Cold days
- Fancy outings
