Breathable, textured knit fabric is ultra-soft for all-day comfort. UA Siro provides greater elasticity and better regeneration, the material is extremely soft and breathable. Adjustable two-tone strap fastening. Improved back opening for more ways to wear your hair. Embroidered logo. UA Free Fit: A pre-curved visor and unstructured forefoot conform to your head for a sleek, low-profile fit.