Made with EvercoolTM, a silky, featherweight, ultra-moisture-wicking fabric with stretch comfort, and also offers these benefits: AirSILXTM – Knit micro-vents create maximum air flow that is ultra-wicking and drying, creating a cooling effect RepelTechTM – Antistatic, resistant to abrasion and repels hair and dirt FreshLockTM – Odor resistant and antimicrobial UltaUVTM – Maximum UPF 50+ protection against98% of UVA