Excellent choice — #7 of 31 Acrylic ranks #7 of 31 fabrics for quick drying. It is one of the best fabrics for this. Ranked on low moisture regain, low weight, and packability — the inverse of absorbency. The top pick is Polypropylene.
Acrylic measures 35/100 for breathability, 2% moisture regain, 60/100 warmth, at 220 gsm. Fast drying favours low moisture regain: at 2% Acrylic sheds water quickly, and 220 gsm keeps it light.