Exceptionally lightweight fabric for tropical sun and heat, PRO Sun hoodie is made of Polartec® Power Grid™ bi-component knit that spreads moisture quickly over a large area to provide rapid evaporation and enhanced cooling. Highest-rated UPF 50+ for maximum sun protection and Polygiene® odor control for extended wear. Gussets in the underarms offer unrestricted movement. Finished with a concealed zippered pocket in the side seam (Marine and Sage only), a stitch-free hem, and integrated thumbhole in the sleeves for back-of-hand sun protection. Active fit.