Black Diamond

7.9 Rope Dry

$77.21 $102.95 has a perfect 5-star average score on Trustpilot.


Built for the mountains, the 7.9 Rope Dry is a master at handling long alpine routes and tricky weather windows.

Crafted to be the perfect balance of both durability and great handling, the 7.9 Rope Dry is not too stiff yet not too soft. Easily knot and feed your rope as you please, it's built to handle a wide range of situations. The 2x2 weave construction easily handles daily use. Designed to be used in pairs as half ropes or twins, the rope features an easily identifiable middle marker to make your life easier. Plus, the rope is dry treated to protect against weather from the inside out.

Rope Type: Half/Twin

UIAA Factor Falls: 6 [Half] 16 [Twin]

Weight Per Meter: 39 g (1.38 oz)

Static Elongation: 6.7% [Half] 7% [Twin]

Dynamic Elongation: 34% [Half] 32% [Twin]

Impact Force: 5.4 kN [Half] 7.8 kN [Twin]

Sheath: Dry 2X2 Woven Sheath

Sheath Slippage: 0%

Half Mark: Yes

More info:

Dry Performance—With a core and sheath that are dry treated, our dry treated ropes are protected against weather from the inside out

2X2 Woven Sheath—Utilizing a 2X2 weave construction, our standard sheath is built to withstand everyday use

Durability and Handling Balance—Purpose-built to balance both durability and great handling, Black Diamonds ropes are not too stiff and not too soft, giving you a great feeling rope that knots easily, feeds through your belay device with ease, yet holds up to a barrage of use

Half/twin ropes must be used in pairs. Do not use as a single rope

Shipping Information offers free ground shipping anywhere in the continental US for any order of $89 or more. orders under $89 ship within the continental US for a flat rate of $8.95.
​Shipment tracking typically takes 1 - 3 business days to update. You will receive an automated shipment notification email as soon as your tracking number becomes available. If you do not receive your shipment tracking email within 1 - 3 business days be sure to check your spam or junk mail folders. Standard shipping takes approximately 3 - 7 business days. During the Holidays the estimated shipping window is extended to 7 - 10 business days.

​Unfortunately we're unable to promise or guarantee delivery by a specific date and don't offer overnight or express shipping at this time. We also do not currently ship to Alaska, Hawaii, APO/FPO addresses, US territories, or international addresses. Please feel free to reach out to with any questions!


COVID-19 Shipping Delays: The COVID-19 pandemic has greatly impacted all of our lives. We understand that this is a difficult time and we want you to know that the family is working hard to provide you with exceptional customer service and awesome gear. Due to increased order volume, mail carrier delays and the additional CDC recommended safety measures we are taking to protect our teams, it may take longer than the usual 5 -7 business days for your order to be delivered. Many orders are shipping within the estimated 5 - 7 business day window, while others can take up to 7 - 21 business days to be delivered depending on warehouse location as each US State has a unique method of dealing with COVID-19. 
We are doing our best to process and deliver your order as soon as possible while keeping employees safe. Please keep an eye on your email for all order and tracking updates. We'll email you once your order ships. We appreciate your patience and understanding during these unique times. As always, if you have any questions, please reach out to and we'll do our best to assist you!

Returns ​​

Most orders can be returned anytime within 30 days of purchase for any reason, as long as the product is unwashed/unworn/unused, and is still in its original packaging with original tags, etc. Some exceptions apply and will be noted on the product detail page, such as items marked final sale or large items marked as oversized and do not qualify for free return shipping. For these oversized items, the customer is responsible for all return shipping fees. As long as the return meets the requirements of our 30 day return policy we will email a pre-paid return shipping label when a return request is submitted. Return Requests for oversized items will receive a return authorization number and a return address. ​To initiate a return request, please contact with your order number and customer name.

Manufacturing Defect/Warranty Claims ​

If you experience a manufacturing defect, or it's outside of’s 30 day return window, please contact the manufacturer directly. does not provide any direct warranty services, though your purchase may be covered by a brand or manufacturer warranty. If a warranty claim requires a Proof of Purchase from, please contact and we'll be happy to email a copy if needed.

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