Under Armour Resistor 3 Lo-Cut Socks

Size Chart

A great everyday Running and Training sock, the U291 Youth UA Resistor 3 Lo Cut sock has strategic, mid-weight cushioning to help protect against impact-related injury. The Resistor 3 Lo Cut sock is knit with embedded arch support to reduce foot fatigue. This Lo Cut sock incorporates Armour Block fibers to help stop the growth of odor-causing bacteria. For a reliable, top-performing running and training sock, try Under Armour's Resistor 3 Lo Cut U291 sock.


  • Lo Cut Height
  • 6-Pair Pack
  • Strategic Cushion Protects High Impact Areas of Feet
  • ArmourDry fibers Wick Moisture, Accelerate Evaporation
  • Embedded Arch Support Reduces Foot Fatigue
  • Seamless Toe for Ultimate Comfort
  • ArmourBlock Helps Prevent Growth of Odor-Causing Bacteria in the Sock


98% Polyester, 2% Spandex

Sock Height

Micro Crew Sock

Sock Cushion

Light Cushion Sock