Calvin Klein Pro Stretch Reflex Boxer Brief

Calvin Klein's Pro-Stretch Reflex is a collection of athletic men's underwear created to remain comfortable and supportive through all-day wear or during strenuous activities. Made from ultra soft and comfortable micro-fiber, the Calvin Klein Pro-Stretch Reflex collection is lightweight, breathable, moisture wicking, and quick drying. The CoolMax® tagless waistband adds another level of comfort by keeping your skin cool and dry. The collection features a stylish iridescent Calvin Klein logo waistband and contrast stitching.

The Boxer Brief from the Calvin Klein Pro-Stretch Reflex collection features a classic boxer brief silhouette with a contour pouch for comfort and support. The boxer brief silhouette allows for the full coverage of a traditional boxer while also providing the comfort and support of a traditional brief.

90% Nylon, 10% Elastane.

Machine wash warm, do not bleach. Tumble dry low, do not iron. Do not dry clean. Wash dark colors separately.

What if an item is out of stock?

Our Live Inventory system uses real-time monitoring to ensure that you are only offered items that are currently in-stock or eligible to be backordered. If the size and/or color you are looking for is missing, that means it is sold out and likely no longer available from that designer. If an item is out of stock but can be backordered, you will be notified immediately after you make your size and color selection. If you choose to backorder a product, we will ship the item(s) to you via US Postal Service with no additional charge.

What are the shipping options?

We offer a variety of shipping options. For US orders, we offer free standard shipping via US Postal Service. You may also choose expedited delivery with UPS 3-Day Express Ground Delivery, UPS 2-Day Delivery or UPS Next Day by 3PM.

For US orders outside the continental United States (including, but not limited to, Alaska, Hawaii, Puerto Rico, US Virgin Islands, and Guam), we offer United States Postal Service Express Mail for the same rate as the UPS Next Day by 3PM service.

All orders shipped outside the US are sent via First Class International through the US Postal Service and is handed off to the reciprocating mail service in the destination country. We also offer Priority International and Global Express services.

For more complete information, please visit our shipping information page.

What is your return policy?

We will accept returned items if they are unworn and in their original boxes/plastic wrap with original tags. There is no charge for restocking, handling, etc., but you are responsible for the return postage. You may return an item within 60 days of purchase. for a refund, exchange, or "store credit", which would not expire. For exchanges, you pay for the postage to return the items to us, but we pay postage for sending you the exchanged items. Read the complete returns and exchanges policy.

How can I reach customer service?

You can use our online contact form. Just fill in your name, email address and pick a department and we'll respond to you within a business day.

You may send an email to service@mensunderwearstore.com.

You can also call us 9am-6pm Central US Time. Our toll-free number is (866) 326-9377. Outside the US, we can be reached at +1 314 772 3566. Faxes can be directed to (314) 454-0209.