Zoot Women's Microlite+ Long Sleeve Tee Body: 200g MICROlite - 46% polyester 54% CD polyester Splash Body: 200g MICROlite - 73% polyester 27% CD polyester Imported 50 UPF Protection Micro-Lite+ fabric is ultra soft and provides superior moisture transport Thumb loops 360 REFLECTIVITY 50 UPF Protection