the halsy diary
The blog.
Y2K activewear, cotton vs polyester, low-rise everything, and the soft-girl scroll. Written like a voice memo from your most fashion-obsessed friend.
Read first
Y2K Activewear and 2000s Activewear: The Comeback Is Real
Y2K and 2000s activewear is back. Why low-rise flares, velour, and cotton are taking over again.
Read article →8 min read
What Makes Y2K Fashion Different?
What makes Y2K fashion different from every other trend? Color, attitude, and a refusal to be boring.
6 min read
Halsy vs Lululemon: Cotton Y2K vs Tech Polyester
Halsy vs Lululemon: a side-by-side on fabric, fit, vibe, and price. One is cotton Y2K. The other is tech polyester.
7 min read
Halsy vs Alo: Which Activewear Actually Fits Your Vibe?
Halsy vs Alo: which activewear actually matches your vibe? Cotton Y2K nostalgia vs LA Pilates minimalism.
7 min read
Why Most Activewear Uses Polyester (And Why That's a Problem)
Why is almost every legging made of polyester? The real reason — and what it costs you.
7 min read
Cotton vs Polyester Activewear: Which Is Better?
Cotton vs polyester activewear: which is actually better for your workouts, your skin, and the planet?
7 min read
The Return of Low-Rise Yoga Pants
Low-rise yoga pants are back. Here is why Gen Z is ditching the high-waist for the 2003 silhouette.
7 min read
How 2000s Activewear Inspired Halsy
How early 2000s activewear inspired everything Halsy makes — from cotton fabric to flared fits.
6 min read
Why Activewear Brands All Look The Same
Why does every activewear brand look the same? The boring black legging conspiracy explained.
6 min read
Best Cotton Activewear Brands in 2026
The best cotton activewear brands in 2026 — for people who do not want plastic against their skin.