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Quantity
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BasePro Full-Zip — The Only Base Layer You Need
Stay warm, dry, and comfortable in any condition. The BasePro Full-Zip is designed to replace 2–4 traditional base and mid layers—giving you serious warmth without bulk. Why It Works
AERIS™ ...
Reviews
5.0
26 ratings
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Guys this clothing company is amazing! I will never be cold again! I bought everything from the socks to the neck gaiters and everything in-between and lemme tell you i have never been warm in freezing temperatures like this before! It was 5 degrees Fahrenheit outside yesterday and i was outside for 8 hours and i was so warm i actually had to unzip 2 layers to keep from sweating! Its AMAZING! They have figured out how to trap in body heat and block out the cold! Me and my wife both work outdoors year round and we tried all sorts of jackets and base layers and nothing has even come close to matching Fortress Clothing! So if you tired of being cold, do yourself a favor and get you some fortress wear! I promise you wont be disappointed!
Charles · February 2, 2026
Very nice looking seems like it's very well made warm I like it so far
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Bret · February 3, 2026
I'm 5 10 ,,, 215lbs and size xl fits great love how soft but warm it is i not really use it with anything else it's warm enough already and looks great