Model Number:

The NB Heat Tight will keep you cozy even during the chilliest weather thanks to NB HEAT technology and microfleece lining. If things start to heat up, you can simply use the ankle zippers for convenient temperature control. A gusseted crotch will allow you to have improved range of motion, and reflective detailing is designed to increase your visibility in low-light conditions. A back zippered pocket can easily hold your keys or other small essentials for convenient access.

Length: inseam approx 28.0", outseam approx. 35.5" (size medium)


  • Approx. 1.25" elastic waistband with an internal drawstring for an easily adjustable fit
  • NB HEAT technology for warmth and moisture wicking
  • Microfleece lining for soft, comfortable fit and additional warmth
  • Back zippered pocket for easy storage of essentials (zipper approx. 4.0", pocket approx. 2.5"H x 7.0"W)
  • Sticky grip at bottom of hem for secure fit
  • Flatlock seams within inner short to prevent chafing
  • Zippers at ankles for easy temperature control (zippers approx. 7.5")
  • Gusseted crotch for an accurate fit and increased freedom of movement
  • Reflective striping on back of legs and reflective brand logo on front for improved visibility in low-light conditions


  • Outer Shell: (88% Polyester, 12% Spandex) stretchy, smooth outer layer for comfortable fit
  • Inner Lining: (100% Polyester) microfleece lining that is soft and warm to help trap heat

Apparel Performance Characteristics

Apparel Fit:

  • Fitted
  • Semi-Fitted
  • Relaxed

Temperature Range °C:

  • Cold
    • Below 0
  • Moderate
    • 0-10
    • 5-15
    • 10-20
  • Hot
    • 20+

Fabric Thickness:

  • Thin
  • Medium
  • Thick