Worn as a technical training base layer for outdoor activities, the Threads 4 Thought Brennan base layer long-sleeve quarter-zip top is soft and stretchy and has all the tech qualities you seek.
Features
Lightweight performance jersey fabric is made from 90% recycled polyester and 10% spandex
4-way stretch fabric wicks moisture and dries quickly to keep you comfortable and dry
Mock neck with quarter-length zipper offers ventilation options
Thumbholes extend coverage and keep sleeves in place when layering
Seaming details on the shoulders
Tagless design prevents irritation
Slim fit
A portion of all proceeds go to support the International Rescue committee and the work they do in the area of humanitarian response