Table of Contents
Some links on posts are affiliate links and will earn us a commission from qualifying purchases
ACAI Outdoorwear is a female-owned brand that focuses on creating outdoor clothing specifically designed for women. Their mission is to make adventure gear that fits women’s bodies well, especially catering to curves and petite figures, ensuring both style and performance. They design purposeful clothing shaped for women and made for hiking and other outdoor activities, combining functionality with an attractive look.
Their products are known for features like being lightweight, waterproof, and wind-resistant. For example, their Off Grid Jacket offers 15K waterproofing and wind resistance, and it packs down into its own pocket for convenience. The brand emphasizes fit, comfort, and durability, using fabrics like nylon and elastane blends that perform well in various weather conditions.
ACAI aims to support all women in getting outdoors by offering gear that looks great and performs well, reflecting a vision to create an adventure wardrobe tailored for women’s needs in the outdoors.
Relax Tee

Experience ultimate comfort and style with the ACAI Relax Tee in Deep Navy, designed exclusively for women who love the outdoors. This versatile walking t-shirt is your perfect companion for hiking, gardening, or casual everyday wear. Crafted with a flattering oversized fit, the Relax Tee features a chic v-neck and a dropped hem that provides extra coverage, making it ideal to pair with leggings or your favorite outdoor gear.
Made from a premium blend of 93% bamboo and 7% elastane, this tee offers exceptional softness and stretch for all-day comfort. The advanced fabric technology ensures temperature regulation, breathability, and sweat-wicking performance, keeping you cool and dry no matter how intense your outdoor adventures get. Whether you’re trekking through nature trails or running errands, the Relax Tee adapts to your active lifestyle with ease.
Available in sizes 6 to 22, the oversized design encourages you to size down for a more fitted look, ensuring a perfect fit tailored to your preference. Easy to care for, simply wash with similar colours at 30 degrees and hang to dry, avoiding fabric conditioner and direct sunlight to maintain fabric integrity.
Key Features:
- Flattering oversized fit with v-neck and dropped hem
- Super-soft, breathable bamboo-elastane fabric blend
- Temperature regulating and sweat-wicking for all-day freshness
- Available in Deep Navy and neutral tones
- Sizes 6 to 22 with sizing guidance for perfect fit
Benefit from a stylish, functional tee that’s built for nature and designed for women. The ACAI Relax Tee is your go-to choice for comfort, confidence, and performance on every outdoor excursion. Shop now and embrace the freedom to move with ease and grace.
Boxy Tee

Elevate your everyday wardrobe with the ACAI Boxy Tee, a must-have essential for women who value comfort, style, and sustainability. Crafted from 100% super-soft organic cotton, this tee offers a flattering boxy fit that effortlessly pairs with your favorite high-waisted trousers or casual bottoms, making it perfect for both outdoor adventures and relaxed city days.
Designed with embroidered branding, the Boxy Tee adds a subtle touch of sophistication to a timeless silhouette. The breathable organic cotton fabric ensures all-day comfort, keeping you cool and cozy whether you’re hiking, exploring, or simply enjoying downtime. Its sustainable production reflects ACAI’s commitment to eco-friendly fashion, so you can feel good about your purchase while looking great.
Key Features:
- Made from 100% organic cotton for superior softness and breathability
- Flattering boxy shape designed for comfort and style
- Embroidered branding adds a refined, minimalist detail
- Available in essential, versatile colours to complement any outfit
- Durable and sustainable fabric choice for eco-conscious consumers
Benefits:
- Perfect for layering or wearing solo, versatile for multiple occasions
- Lightweight yet durable, ideal for active lifestyles and everyday wear
- Sustainable fabric supports environmentally responsible fashion choices
- Easy to care for and maintain, ensuring long-lasting wear
Whether you’re hitting the trails or heading to a casual meet-up, the ACAI Boxy Tee combines comfort, sustainability, and style in one effortless piece. Upgrade your outdoor and casual wardrobe with this organic cotton essential that supports your active lifestyle and values.
I’d Hike That Graphic Tee

mbrace your adventurous spirit with the ACAI “I’d Hike That” Graphic Tee in Dusky Pink, designed exclusively for women who love the outdoors. This limited-edition tee perfectly blends vintage-inspired style with modern sustainability, making it a standout addition to your hiking and casual wardrobe.
Crafted from 100% organic cotton, this tee offers a soft, breathable feel that ensures all-day comfort on the trail or around town. The oversized fit and flattering washed effect create a lived-in, stylish vibe, while the retro graphic adds a fun, bold statement that speaks to your love for adventure. The dusky pink colour brings a subtle pop of spring freshness, making it easy to pair with your favorite outdoor gear or casual outfits.
Key Features:
- Made from 100% organic cotton for ultimate softness and sustainability
- Vintage-inspired retro graphic design with “I’d Hike That” slogan
- Oversized, flattering fit with a washed effect for a stylish, lived-in look
- Limited-edition release, perfect for outdoor enthusiasts and style lovers
- Available in a fresh dusky pink shade for a unique, feminine touch
Benefits:
- Breathable and comfortable fabric ideal for hiking, walking, or casual wear
- Sustainable material supports eco-friendly fashion choices
- Eye-catching design that expresses your passion for the outdoors
- Versatile enough for layering or wearing solo in warmer weather
Whether you’re hitting the trails or relaxing with friends, the ACAI “I’d Hike That” Graphic Tee combines comfort, style, and sustainability in one must-have piece. Show off your adventurous side and enjoy a tee that’s as durable as it is fashionable.
Also available in washed black
Hike More Graphic Tee

Ignite your passion for the outdoors with the ACAI Hike More Graphic Tee in White, designed exclusively for women who embrace adventure with style and sustainability. Made from 100% organic cotton, this tee offers a soft, breathable, and eco-friendly fabric that’s gentle on your skin and kind to the planet.
Featuring a bold, limited-edition graphic on the reverse, the Hike More Tee makes a striking statement while inspiring your next outdoor journey. Its oversized fit and varsity-style vibe create the perfect blend of comfort and cool, ideal for layering or wearing solo on sunny hikes. Available in easy-to-style white, this tee pairs effortlessly with all your outdoor essentials, from hiking shorts to leggings.
Key Features:
- Crafted from 100% organic cotton for superior softness and sustainability
- Bold, limited-edition graphic design with a motivational “Hike More” message
- Oversized fit with a trendy varsity style for comfort and flair
- Breathable, lightweight fabric perfect for active outdoor wear
- Available in versatile white to complement any adventure outfit
Benefits:
- Eco-conscious fabric supports sustainable fashion and reduces environmental impact
- Comfortable oversized fit allows freedom of movement on trails or casual outings
- Stylish graphic sparks conversation and showcases your love for hiking
- Easy to mix and match with your outdoor wardrobe essentials
Whether you’re hitting the trails or relaxing post-hike, the ACAI Hike More Graphic Tee is your go-to choice for combining fashion, comfort, and environmental responsibility. Elevate your outdoor wardrobe with this limited-edition tee that motivates you to explore more.
On The Go Tee

Stay comfortable and stylish on every outdoor adventure with the ACAI On The Go Tee in Deep Navy, designed specifically for women who love to explore. Made from a premium blend of 93% bamboo viscose and 7% elastane, this versatile t-shirt delivers exceptional breathability, moisture-wicking, and temperature regulation—keeping you cool in summer and warm in winter.
The On The Go Tee is perfect for hiking, walking the dog, gardening, or any active lifestyle activity. Its natural bamboo fabric is hypoallergenic, anti-bacterial, and anti-odour, ensuring you stay fresh and comfortable all day long. The soft, stretchy material feels gentle on your skin while providing a flattering fit available in sizes 6 to 22.
Key Features:
- Crafted from 93% bamboo viscose and 7% elastane for ultimate comfort and flexibility
- Breathable, sweat-wicking, and temperature-regulating fabric ideal for all seasons
- Hypoallergenic, anti-bacterial, and anti-odour properties for lasting freshness
- Flattering cut designed to move with you on any outdoor activity
- Available in Deep Navy with sizes ranging from 6 to 22
Benefits:
- Stay comfortable and dry during hikes, runs, or casual outings
- Enjoy sustainable, eco-friendly fabric that’s soft on your skin and the planet
- Versatile design suitable for layering or wearing solo
- Easy care instructions ensure long-lasting wear and vibrant colour
On The Go Bamboo Long Sleeve Tee – Black and White Stripe

Stay cozy and stylish on every outdoor adventure with the ACAI On The Go Bamboo Long Sleeve Tee in Black and White Stripe, designed exclusively for women who value comfort and performance. Crafted from a premium blend of 93% bamboo viscose and 7% elastane, this lightweight base layer offers exceptional softness, breathability, and stretch, making it perfect for layering under hoodies, fleeces, or sweaters.
The naturally moisture-wicking, anti-odour, and antibacterial properties of bamboo fabric ensure you stay fresh and comfortable, even during intense hikes or active days. The figure-flattering curved hem pairs beautifully with leggings, while the round neck fits seamlessly under a snood or scarf, making it an ideal choice for outdoor enthusiasts.
Key Features:
- Made from 93% bamboo viscose and 7% elastane for superior softness and flexibility
- Lightweight, breathable, and naturally moisture-wicking fabric keeps you dry
- Anti-odour and antibacterial properties for lasting freshness during activity
- Flattering curved hem designed to complement leggings and activewear
- Classic black and white Breton stripe design for timeless style
Benefits:
- Perfect base layer for hiking, walking, or layering in cooler weather
- Sustainable bamboo fabric offers eco-friendly comfort and durability
- Versatile long sleeve tee that transitions effortlessly from trail to town
- Easy care with machine wash at 30°C, ensuring long-lasting wear
Why choose ACAI
Choosing ACAI means investing in high-quality, sustainable outdoor apparel designed specifically for women who value both performance and style.
ACAI’s commitment to using eco-friendly materials like organic cotton and bamboo viscose ensures that you’re supporting environmentally responsible fashion without compromising on comfort or durability.
Their thoughtfully crafted designs provide flattering fits and versatile options that seamlessly transition from trail to town.
Plus, ACAI offers a customer-friendly shopping experience with free UK returns within 30 days, fast and reliable shipping, and easy care instructions to keep your gear looking and feeling great for years to come.
When you choose ACAI, you’re not just buying clothing – you’re embracing a lifestyle that prioritizes adventure, sustainability, and confidence.
Summary
Whether you’re hitting the trails, exploring the city, or simply enjoying everyday adventures, ACAI’s range of women’s t-shirts offers the perfect blend of style, comfort, and sustainability.
From the soft, breathable bamboo fabric of the On The Go Tee and its long sleeve striped counterpart to the organic cotton essentials like the Boxy Tee and the bold, graphic “I’d Hike That” and “Hike More” tees, each piece is thoughtfully designed to support your active lifestyle.
With flattering fits, eco-friendly materials, and versatile designs, ACAI t-shirts empower women to embrace the outdoors confidently and comfortably.
Elevate your wardrobe with these sustainable, high-performance tees that are as kind to the planet as they are to your skin – because every adventure deserves gear that moves with you.
Recent Posts
Tick Trouble on the Trail: What Hikers Need to Know About Ticks and Lyme Disease
There’s nothing quite like the simple joy of heading out for a walk in the countryside – the fresh air, the peaceful sounds of nature, and the sense of freedom. Whether you're exploring a forest...
Scrambling: A Hiker’s Guide to Moving with Confidence over Rocky Terrain
For many hikers, the thrill of a walk lies not just in the destination but in the challenge of the terrain. When a trail gets steeper, rockier, and more rugged, you may find yourself transitioning...