Sonic Ultra Zip Top runs on Dryflo™ Air fabric with laser-cut vent holes at the back of the neck and underarm panels, placing airflow exactly where a long climb generates heat. A deep center front zip opens further for extra venting when the pace picks up, and Microactive seams stay soft against skin instead of chafing under a pack strap. Set-in sleeves keep the fit clean through every arm swing.What Our Gearhead® Experts Are Saying:"I've run three-hour mountain days in this without swapping it out or noticing it start to smell. It dries between climbs almost as fast as I can drink water, so I'm never carrying a spare."
Material: Dryflo Air (100% polyester);
Insulation Weight: lightweight;
Fit: regular;
Style: 1/4-zip mock-neck;
Anti-Odor: yes;
Claimed Weight: 2.6oz;
Activity: running, hiking;
Manufacturer Warranty: limited lifetime;
storecredits: 0.0;
Style Variants
Available Colors: Dark Melba/Light Zinc
Size Reference for Rab Ultra Zip Top - Men's
Available Sizes: XL
