Proto101
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Sustainably made high-quality, basics for every wear. Look good. Feel good. Do good.
#MyProto101
05/31/2026
Shop local before the world arrives.
Join us for Summer Social at Pacific Place and meet the small business owners, artists, makers, and community organizations helping shape downtown Seattle. Stop by for free block printing on clothing (bring your own or buy a super soft tee) and be the first to see our new floral artist collaboration with .hansen.studio . We can’t wait to see you!
.seattle
📍 Pacific Place • 600 Pine St
📅 Saturday, June 6
⏰ 12–4 PM
Comment SOCIAL for details.
Our Memorial Day Sale is on - 20% off site wide! ☀️Summer is right around the corner, and it’s time to refresh your closet with sustainable staples that actually last. Skip the fast-fashion this weekend and invest in premium fabrics that feel like a second skin and stand the test of time. If you’re looking for an Everlane alternative, this is your sign to make the switch 🌱
Shop the link in our bio.
05/10/2026
Happy Mother’s Day to all the strong and beautiful women who inspire style and love in our lives. Thank you for everything you do 💐
Celebrate Mom with something made just for her. 💛
Join us at Proto101 for a Pop Charm Bar with .boutique— a woman- and mom-owned jewelry brand founded by the wonderful .lynn.pollock . Create a thoughtful, customized gift with unique designer charms she will love.
Saturday 5/2
12–4 pm
Proto101
04/23/2026
Earth Day is just 1 day, but at Proto101, it’s our guiding principle. 🌎 We believe in “less, but better.” We’re committed to quality over quantity and designing pieces built to last—not to end up in a landfill.
Thank you for joining us in choosing a more sustainable future for the fashion industry. Let’s keep caring for our planet, today and every day. Happy Earth day!
Soft on you. Soft on the planet. The perfect crop exists. Upgrade your daily rotation with our premium active and lounge essentials.
🌱 Natural fibers
💦 Sweat-wicking
💨 Breathable
🚫 Toxic-free
02/14/2026
We’re choosing a long term commitment to slow fashion. Sustainably Yours, Proto101 ❤️
Still feeling the love 💕 Our store is like a second home and we love hosting get togethers and local pop ups that bring the community together. Thank you to .boutique and .hansen.studio for making this a fun day 🫶 If you’re in downtown Seattle, stop by our store IRL for the softest tees, hooded and joggers . See you soon!
02/03/2026
Falling in love with mauve ❤️ We’re 100% committed to our long term relationship with slow fashion and sustainable materials. Treat yourself and your Valentine to clean athleisure made for every day.
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Address
600 Pine Street
Seattle, WA
98101