Model Number:

The Brooks Men's Infiniti Tight III offers secure support and complete coverage for your cold weather running. The mid-level thickness and support of the fabric keep you warm in the cooler hours, and the neon fabric panels and reflective details ensure you'll be seen. Ample storage space is achieved through three pockets, easy on/off transition is made possible by ankle zippers, and flatlock seams keep you comfortable all run long.


  • Approx. 1" flat elastic waistband with internal drawstring for adjustable comfort
  • Back secure-zip pocket (pocket approx 6.5" W x 2.5" H, lockdown zipper approx 4")
  • Two side mesh stash pockets (pockets approx. 3.5'' W x 4'' H)
  • 8.5" ankle lockdown zippers for temperature control and easy on/off
  • Flatlock seam construction to prevent chafing
  • Gusseted crotch for added freedom of movement
  • Bonded reflective stripes and logos throughout for 360° reflectivity, increased visibility in low-light settings


  • Main Body: (88% Polyester/12% Spandex) Infiniti Stretch fabric for a soft and supportive stretch

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