Answer
Oct 20, 2025 - 04:33 AM
Hello. Sizing should be fairly consistent in each (if you're an XL in one, you should most likely be an XL in the other, for example). But this vest is much different in layering and weight. It packs up very small to fit in a jersey pocket when not in use and it is still windproof. The Sierra Vest is instead a heavier thermal option (plus it is reversible).
Thanks and just let us know if you have any questions: orders@aerotechdesigns.com.
