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Product Specifications


90% Polyester/10% Elastane

Item #


Style #


US sales only.

Item is returnable, but does not qualify for free returns.

Under Armour Iso-Chill Run Short Sleeve Women's

Stay cool and breezy on your runs in the Under Armour Iso-Chill Run Short Sleeve! By flattening out the fibers and adding new technology, this running shirt pulls heat your skin to keep you cool and at your peak longer.

  • Split back design can be worn open or tied up for a slimmer, more secure fit
  • Reflective details for low light runs
  • Iso-Chill fabric disperses body heat, making it feel cool to the touch
  • Mesh back panel for ultimate breathability
  • Four-way stretch construction moves better in every direction
  • Material wicks sweat & dries really fast
  • Anti-odor technology prevents the growth of odor-causing microbes


Small: 33.5-35.5" chest
Medium: 36.5-37.5" chest
Large: 39-40.5" chest
X-Large: 42-43.5" chest

*Measurements refer to body size, not garment size.