Order Processing TimeWe pride ourselves on being extremely quick on all shipments. Although most packages ship out same day or next day, without expedited freight we cannot guarantee this. Proof does not process or ship orders on weekends or holidays. Please allow up to 2 business days for orders to process.
Proof does not process or ship orders on weekends or holidays. Orders placed after 1PM PST/4PM EST will ship out the next business day. This means that orders placed Friday after 1PM PST/4PM EST will ship out the next Monday.
Free shipping on qualifying orders over $50Shipping time: up to 7 business days
Free shipping is offered on qualifying U.S. orders that meet a $50 minimum order value after applied discounts and before taxes. This offer is available to the contiguous United States plus Alaska and Hawaii (excludes Puerto Rico, Guam, APO/FPO, U.S. Territories and Minor Outlying Islands.)
Standard Shipping - $5 Flat RateShipping time: 3 business days*
Standard Shipping is available for all United States based orders including Puerto Rico, Guam, APO/FPO, U.S. Territories and Minor Outlying Islands.
*We cannot always guarantee a 3 business day service to Puerto Rico, Guam, APO/FPO, U.S. Territories and Minor Outlying Islands. APO/FPO address ship time does not include Military Mail processing time, which has no guaranteed date.
Signature-Required ShippingPlease contact Customer Support if you would like a signature-required shipping service.
Need to start a return? Click here.
If it's your first order, we offer a 60 Day Leak Free Guarantee policy, no questions asked. This guarantee means that if your first order is not up to your period or leak standards, we will take them back and offer you a full refund. Note this is only valid on your first order for up to one pair of worn undies.For all other orders, all items ordered from Proof's website come with a 30 day return policy. A $4.95 processing and handling fee will be deducted from the purchase price for all returns. Returned items must be in re-sellable condition. We will not accept items that are damaged, stained, or show visible signs of wear. All items should include original packaging and tags.We have found exchanges tend to delay the process of getting your product reshipped out and we are certain you want your product as soon as possible without any sort of delay. For this reason, we advise all customers to return their current order and repurchase the product(s) in order to receive everything the fastest.Our Easy Return Process
1) Click the button at the top of the page to start the return process.2) Type in your Order Number and Email Address & click “Return Items”.3) Select the item(s) you would like to return. The system will generate a USPS prepaid return label which you will receive via email.4) Use our label on your return package and bring it to your postal carrier or local post office.5) After receiving and processing your item a refund will be issued.6) Note that our processing and handling fee of $4.95 is deducted from the total upon return.
This process should be completed within 3-5 business days. We are unable to refund any paid shipping charges.
If you can, we’d love you to try and conserve on shipping bags and return your items in the same mailer bag it arrived in.
60 day leak free guarantee
FREE SHIPPING on all orders OVER $50
With a pair for every flow, you’ll be able to find your Proof™-perfect fit.
Our Patented Leak-Loc™ technology keeps you leak-free learn more
Proof™ provides serious protection from bladder leaks, without added bulk.
Discrete protection with room to accommodate your growing bump.
Designed with new moms in mind, leak protection without the bulk.
Go ahead, break a sweat. Our moisture-wicking fabric also reduces odor.
Undercover protection for every day of the week.
Perfect for daily discharge, Proof™ keeps you fresh and dry.
For in-between days, these undies keep you spotless all day long.
Holds up to 1 Light Tampon or Panty Liner
panty liner replacement
Holds up to 1 Regular Tampon or 2 Teaspoons
light period leaks
Holds up to 3 Regular Tampons or 6 Teaspoons
moderate period leaks
light bladder leaks
replace or back up a tampon, pad, or cup
Holds up to 4 Regular Tampons or 8 Teaspoons
moderate bladder leaks
heavy period leaks
replace a pad
replace or back up a tampon or cup
Holds up to 5 Regular Tampons or 10 Teaspoons
maximum overnight period protection
Your hip and waist measurements are the most important size when finding the perfect fit.
Measure around your body as shown.
Find your waist measure by leaning over to one side. Where your body naturally creases is your where you will place the tape. Measure parallel to the ground.
For your hip measurement, turn to the side and locate the fullest part of your booty. Place the tape around your body, parallel to the floor, around the widest and fullest part of your hips and tush.
If your measurements fall into different size categories, your hip measurement will be most accurate.