Polartec Power Grid fabric: Delivers superior warmth retention and moisture management for reliable performance in cold and high-exertion environments
Form-fitted ergonomic silhouette: Ensures comfort and freedom of movement under shells and midlayers without bulk or bunching
Deep half-zip length: Provides fast thermal regulation and adjustable insulation for changing conditions
Dual angled chest pockets: Allow easy access to sensitive gear like phones or batteries during active pursuits
Flat thumbholes: Offer secure wrist anchoring and comfortable fit when not in use
Summarized by Shop
Reengineered from the inside out, the new Vortex Half Zip marks the evolution of a TAD essential—now purpose-built as a true expedition base layer capable of thriving across shifting climates, high-output movement, and deep-cold environments.
At its core is Polartec® Power Grid™, an advanced bi-component knit engineered to increase warmt
