Take an extra 15% off already discounted (20%) Mom and Mini bundle for mothers day, when you get matching ONE shirts.
MEN | ONE Shirt (Sun + Base Layer)
Regular price
$58.00
UPF 50+ sun protection. Temperature-regulating bamboo fabric. A hood that actually does something. Built to wear every single day, beach, trail, school pickup, repeat.
No overthinking. Just put it on.
Fit note: The ONE Shirt runs slim through the waist. It's a fitted cut, not boxy, not oversized. If you're between sizes or wear relaxed fits, size up.
One shirt. Every condition. Wear it until it falls apart.
All-Season Versatility: Lightweight and breathable for summer sun (UPF 50+), cozy and moisture-wicking as a winter base layer.
Antimicrobial & Odor-Resistant: Stays fresh, even after messy outdoor play.
Soft Bamboo: Gentle on sensitive skin, perfect for all-day wear and even pajamas.
Tagless Comfort: No itch, great for kids with sensory sensitivities.
Extra Sun Protection: Hood provides added shade or fits under helmets.
Thumb Holes: Easy layering, no bunching. Warm hands.
- Outdoor Adventures: From hiking, fishing and camping, this shirt is your go-to gear.
- Beach Outings and Playground Fun: Stay protected and comfortable no matter the activity.
- Everyday Wear: Versatile enough for daily use, ensuring you are always ready for an adventure.
Full Size charts below, just scroll down
Mens Sizing
Slim fit - true to size.
Fit it tapered with a slim waist for an athletic fit. If you prefer a looser fit, consider one size up. The fabric is incredibly stretchy.
- 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.
Regular price
$58.00
UPF 50+ sun protection. Temperature-regulating bamboo fabric. A hood that actually does something. Built to wear every single day, beach, trail, school pickup, repeat.
No overthinking. Just put it on.
Fit note: The ONE Shirt runs slim through the waist. It's a fitted cut, not boxy, not oversized. If you're between sizes or wear relaxed fits, size up.
One shirt. Every condition. Wear it until it falls apart.
All-Season Versatility: Lightweight and breathable for summer sun (UPF 50+), cozy and moisture-wicking as a winter base layer.
Antimicrobial & Odor-Resistant: Stays fresh, even after messy outdoor play.
Soft Bamboo: Gentle on sensitive skin, perfect for all-day wear and even pajamas.
Tagless Comfort: No itch, great for kids with sensory sensitivities.
Extra Sun Protection: Hood provides added shade or fits under helmets.
Thumb Holes: Easy layering, no bunching. Warm hands.
- Outdoor Adventures: From hiking, fishing and camping, this shirt is your go-to gear.
- Beach Outings and Playground Fun: Stay protected and comfortable no matter the activity.
- Everyday Wear: Versatile enough for daily use, ensuring you are always ready for an adventure.
Full Size charts below, just scroll down
Mens Sizing
Slim fit - true to size.
Fit it tapered with a slim waist for an athletic fit. If you prefer a looser fit, consider one size up. The fabric is incredibly stretchy.
- 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) | Sleeves (in) | Waist |
|---|---|---|---|---|
| M. Small | 18.5 | 28 | 32.5 | 17 |
| M. Medium | 19.5 | 29 | 33.5 | 18 |
| M. Large | 21 | 30 | 34.5 | 19.5 |
| M. X Large | 22.5 | 31 | 35.5 | 21 |
All measurements are in inches. Chest and waist are taken from one under arm to the other, for round measurement, simply double it.