The 100% recycled APEX ECO fabric perfectly balances warmth, wicking and breathability and is finished with POLYGIENE permanent odour control for multi-day freshness.Constructed using light UPDATE APEX ECO 100% recycled polyester - highly wicking¼ length YKK Montane reverse coil semi-auto front zip with internal zip guardHighly breathableUPF 20+ fabric - for sun protectionLow profile flat locked sewn seams - eliminates chafing and increases durabilityTreated with POLYGIENE permanent odour control, perfect for multi day use - more wear, less washing