Ultra-lightweight construction doesn’t weigh you down UPF 20+ offers lightweight sun protection Breathable fabric keeps you cool Crossover hood for complete neck coverage Left chest pocket for storing your shades Thumbholes keep sleeves in place Material Description: Ultra-soft, breathable knit Material Contents: 70% Viscose from Bamboo / 30% Polyester Fabric Weight (GSM): 145 145 GSM Turn inside out and wash on cold, delicate cycle. We recommend hang drying. Following these simple steps will extend the life of your garment.