In ADULT sizes!

The fiercest combination to walk the Earth: a will of steel...and a heart that is willing to be broken. 

Spending their strength and power to defend the smallest and weakest, wearers of the TENACITY Tee know mama-bear love has little to do with biology and everything to do with a willingness to rise up and say, “Not on my watch.”

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Made for giving. Super soft tees celebrate who your favourite people are becoming. Each t-shirt is packaged with its own coordinating bookmark to create a meaningful and memorable gift. 

Black - 100%  Organic Cotton 

Charcoal - 60%  Organic Cotton / 40% Recycled Polyester

Family Bundle Savings. Save when you bundle four or more tees!  Discount is automatically applied at checkout.

Definitely not fast fashion. Minimalist, gender-neutral designs on stain-hiding, made-to-last tees decrease cost-per-wear, making it easier to “Buy less, but better.”

Made honourably. Organic farming and fair trade manufacturing honour the beautiful humans who make our clothes. No greenwashing here. Author Clothing exists to create honourable jobs and provide families with a feel-good alternative to fast fashion.

Writing great stories. Each Character Tee is sewn by our fair trade certified partner JOYYA, in Kolkata India. Above and beyond honourable jobs, JOYYA provides a supportive community and life-changing resources for courageous women living in Sonagachi.  .

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ADULT SIZING: Our TENACITY Tees are unisex t-shirts sized down to be better suited to a Mama Bear fit. (Ex: a MEDIUM Tenacity is a unisex/men's SMALL)

If you're buying for a Papa Bear, or prefer a looser fit, please remember to SIZE UP. 

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Birth of the TENACITY Tee

The TENACITY Tee was originally created in support of our friend Marissa Froese during her battle with breast cancer. Marissa was an early Author-inspiration in the daily living out of her belief that everyday purchases are an opportunity to "love our distant neighbour". 

We continue to be inspired by her example of generosity, creativity, and her desire to show hospitality and kindness to neighbours near and far.

Marissa left this earth in December 2023 but leaves a legacy of life-well-lived in the service of others. The fruits of Marissa's work live on through her family and friends - and can also be enjoyed through her gluten-free cookbooks and sourdough course, available at