Once you wear the 4F Bert Baselayer Bottom, you’ll want to throw out all the other underwear you own. 4F Skin fabric offers a combination of durability and comfort that's hard to beat. Its quick-drying properties paired with effective moisture-wicking means you'll stay dry, no matter how challenging your workout gets. With 8% elastane fabric blend, it provides excellent flexibility, allowing you to move freely without binding. Most importantly, seamless construction gives comfort you never knew you needed until you’ve tried it. No chafing, or rubbing, just smooth comfort everywhere. Buy them for the ski season, and wear them all year long.
**This item contains PFAS and can not be shipped to the state of CA or NY**
Items must be in new condition and have the original tags attached. We recommend using a carrier that offers a tracking number, like USPS priority, or FedEx.
We will refund the purchase price of the item to the credit card originally used for the order.
For exchanges, the easiest, fastest way is to purchase the item you'd rather have and return the other item for a refund. This also ensures that we won't sell out of the item you want. You can also fill out the exchange form on your order and ship it back to be switched when we receive it.
Please see our FAQ Page for more information.
Note: Packages are delivered Monday-Friday, excluding holidays.
Mostly UPS Ground. Depending on location it may also be FedEx, DHL, USPS, or other regional carriers. Most packages are delivered within 1-3 business days, and all packages have tracking.
Most orders placed before 2:00 PM EST ship same-day, Monday-Friday. Due to address or credit card inconsistencies, some orders may take longer to ship.
Ground can take up to 7 days, though they're usually faster. The closer you are to the East Coast, the faster it will get to you.
Note: Shipping carriers deliver Monday-Friday.
That's impossible! But we do offer Overnight and 2-Day shipping options.
Yes! However some brands we cannot ship outside the US. Please see our FAQ Page for more info.
