BasePro 1/4 Zip
The BasePro 1/4 Zip brings precision temperature control to your cold-weather layering system. Engineered with AERIS™ 250 insulated, 4-way stretch fabric, this piece regulates core warmth while allowing full freedom of movement. The 1/4 zip adds easy venting for high-output activities or changing conditions. Moisture-wicking and antimicrobial, it keeps you dry, warm, and fresh even in tough environments.
Replaces 2–4 traditional layers – Ditch the bulk
Adaptive ventilation – Zip down for cooling, up for warmth
Versatile single layer – Wear solo or under your favorite shell
Male: Order your normal size for a regular fit
Example: 6'2", 225lbs, wearing XL.
Female: Order one size smaller than your usual size for the best fit.
Example: 5'7", 130lbs, wearing Small.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.