Fit & Design: Close-to-head fit Quick-release buckle adjustment Laser-perforated side panels increase ventilation and breathability Tonal logos add subtle branding and style Packable when you're on the go Technology: UPF 30 protects skin from the sun's harmful rays Quick-drying and moisture-wicking to keep you dry and comfortable Additional Details: bluesign(R) approved materials make this an eco-friendly addition to your wardrobe