BasePro 1/4

• BasePro 1/4 Zip
  The BasePro 1/4 Zip brings precision temperature control to your cold-weather layering system. Engineered with AERIS™ 250 insulated, 4-way stretch fabric, this piece regulates core warmth while allowing full freedom of movement. The 1/4 zip adds easy venting for high-output activities or changing conditions. Moisture-wicking and antimicrobial, it keeps you dry, warm, and fresh even in tough environments.

  • Replaces 2–4 traditional layers – Ditch the bulk

  • Adaptive ventilation – Zip down for cooling, up for warmth

  • Versatile single layer – Wear solo or under your favorite shell

Size Recommendations:

Male: Order your normal size for a regular fit
Example: 6'2", 225lbs, wearing XL.

Female: Order one size smaller than your usual size for the best fit.
Example: 5'7", 130lbs, wearing Small.