From: An evaluation of UV protection imparted by cotton fabrics dyed with natural colorants
 | Weight, g/m2 | Thickness, cm. | Thread Count (per inch) | UPF | UV Protection Class |
---|---|---|---|---|---|
Plain weave | 120 | 0.035 | 205 | 3.8 | No Class |
Twill weave | 258 | 0.069 | 81 | 19.2 | Good |
Sateen weave | 235 | 0.061 | 106 | 13.3 | No Class |