RTTO Humpback Whale Long Sleeve Tee
Wrap yourself in comfort and purpose while supporting ocean conservation. The RTTO Humpback Whale Long Sleeve Tee features exclusive artwork by Sophie Browne, created in partnership with Return to the Ocean. With every purchase, 15% of profits are donated directly to Ocean Alliance (advancing whale research and conservation worldwide), and another 15% goes to RTTO’s own conservation projects—helping protect the world’s gentle giants and their habitats.
Versatile and stylish, this long sleeve tee is perfect for layering or wearing solo—whether you’re out exploring or just keeping it casual.
Eco-Friendly & Ethical Manufacturing:
Crafted by BELLA+CANVAS, this tee is made with sustainability at its core:
Water reduction: Uses only bluesign® approved dyes and softeners, with all wastewater carefully treated to keep waterways clean.
Energy reduction: Facilities utilise solar power, motion-sensor LED lighting, and EV charging stations to lower their carbon footprint.
Waste reduction: Fabric scraps are recycled or repurposed, minimizing landfill waste.
Ethical production: Made in WRAP-certified facilities, ensuring fair labor and responsible manufacturing.
Product Features:
Unisex, regular fit for all-day comfort and easy layering
100% airlume combed and ring-spun cotton for black, white, and navy colors—soft, smooth, and lightweight
Heather colors (Heather Mauve, Heather Deep Teal, Heather Forest): 52% cotton, 48% polyester
Medium-light fabric (4.2 oz/yd² / 142.4 g/m²) for breathability
Side-seamed construction and ribbed cuffs for a premium feel
Ethically sourced blank product from Nicaragua, Honduras, or the US
Why This Tee?
Features exclusive humpback whale illustration by Sophie Browne, celebrating one of the ocean’s most iconic species.
15% of profits donated to Ocean Alliance, plus 15% to RTTO’s own conservation projects—your purchase fuels real-world ocean protection
Limited edition: when it’s gone, it’s gone—each tee is part of a movement, not mass production
Shipping Note:
Heather Mauve, Heather Deep Teal, and Heather Forest color options may require extra shipping time to Australia (allow an additional 3–4 weeks). Thanks for your patience—these shades are worth the wait!
Support talented artists, champion whale research, and choose a tee that’s as good for the planet as it is for your wardrobe with the RTTO Humpback Whale Long Sleeve Tee.
This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!
Age restrictions: For adults
EU Warranty: 2 years
Other compliance information: Meets the flammability level requirements.
In compliance with the General Product Safety Regulation (GPSR), SINDEN VENTURES LIMITED and SINDEN VENTURES LIMITED ensure that all consumer products offered are safe and meet EU standards. For any product safety related inquiries or concerns, please contact our EU representative at gpsr@sindenventures.com. You can also write to us at Markou Evgenikou 11, Mesa Geitonia 4002 Limassol Cyprus or Markou Evgenikou 11, Mesa Geitonia, 4002, Limassol, Cyprus.
















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