Your Portable Climate Control​​ Engineered for the golden hour between scorching and freezing. ​​Five Expedition-Ready Features​​ ArcticCool™​​ – Phase-change fabric mimics polar icecaps ​​SolarShield™​​ – Blocks 98% infrared radiation BreezeFlow™​​ – Underarm wind tunnels modeled on aircraft wings CoupleSync™​​ – Gender-neutral cut flatters all body types PackMaster™​​ – Compresses smaller than a tennis ball ​​Three Adventure-Proof Applications​​ ​​Application 1​​: Over swimwear for sudden mountain weather shifts ​​Application 2​​: Under harnesses for rock climbing abrasion protection ​​Application 3​​: With convertible pants for jungle-to-city transitions ​​Care Like Technical Outerwear​​ Cold machine wash. No fabric softener. Line dry in shade.