Closeouts . Mountain Hardwear's Chiller shirt is sure to keep you cool and dry in even the hottest conditions thanks to Cool.Q Zero, a sweat-activated fabric technology that actively works to lower your temperature.

• Cool.Q Zero sweat-activated technology provides an immediate and ongoing cooling sensation
• Treated to provide UPF 40 sun protection
• Wrinkle-resistant and durable stretch polyester has a lightweight feel
• Button front
• Underarm ventilation panels to keep you dry
• Collar flips up with an extra sun protection flap
• Long roll-tab sleeves
• Single-button cuffs
• Pleated front for a flattering fit
• Rotated seams for comfort under a backpack
• Curved hem
• Hidden zip chest pocket
• Vendor fit: Mountain Hardwear Standard Fit allows for full freedom of movement
• Made in Sri Lanka