Textiles & Fabrics Is 65% polyester and 35% cotton breathable? February 2, 2026 by Mercier | Leave a Comment Is 65% Polyester and 35% Cotton Breathable? Yes, a fabric blend of 65% polyester and 35% cotton is breathable, but not as much as 100% cotton. This blend offers a balance between comfort and durability, making it suitable for everyday wear. The polyester adds strength and wrinkle resistance, while the cotton provides softness and breathability. […] Read more ยป