Core Concepts' Stashable Top

Core Concepts’ Stashable Top

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Let’s face it, the reality of utilizing layering is only effective if you have somewhere to stash the layers as you peel them off. Personally, I am not a big fan of the classic tie-around-the-waist method, and often I will suffer through an activity leaving an extra layer on.

Now, thanks to the “Zip, Flip and Stash” system pioneered by Core Concepts, it is possible to shed layers and tuck them away in a zippered compartment in the back of the shirt. With the Sprint Zip Neck Base Layer, $60, you can stash the shirt and clip it around your waist in a manageable pouch.

Sprint Zip Neck Base Layer, all packed up

In my test, it took a bit of practice to perfect the “zip, flip and stash” method while running. But after a few tries, I nailed it.

As with anything you tie around you while running, cycling, etc., there is concern about bounce. Fortunately, the Cocona fabric used on this top is light weight and hardly noticeable when stashed.

On my back, the Cocona fabric felt comfortable and breathable during runs. It provides a touted UPF 50 sun protection. And due to the nature of the fabric, which is a mix of polyester and fibers derived from coconut husks, the material is antimicrobial. You can wear it a few days in a row between washings.

Core Concepts’ $60 Sprint Zip Neck Base Layer

One word of advice: Be sure to check the sleeve length on this shirt. I got a size medium and the sleeves were a bit long. But maybe I just have stubby little arms!

—Steve Hitchcock is a Colorado-based writer, teacher, organic farmer, and outdoors guide. He blogs at

Stephen Regenold
Stephen Regenold is Founder of GearJunkie, which he launched as a nationally-syndicated newspaper column in 2002. As a journalist and writer, Regenold has covered the outdoors industry for two decades, including as a correspondent for the New York Times. A father of five, Regenold and his wife live in Minneapolis.