Cascade Designs USMC MAC Sack 9L - Olive Green

SKU : MAC2138 UPC : 014421145073
The MAC Sack is constructed with an easy to use single strap roll-top closure and a bottom handle that can be used while wearing insulated gloves. An automatic purge valve lets air out to compress the bag. The valve is a flush mounted, hands free check valve with no metal or plastic parts. Durable, lightweight fabric with smooth inside and out surface, facilitates packing and compressions. Withstands 20 home launderings with no failures.


The Cascade Designs MAC Sack is a special-issue compression dry sack designed exclusively for the U.S. Marine Corps. It's the ideal solution for low-capacity, low-profile watertight protection in extremely abusive environments. It's made to order for year-round guiding, daily abuse and for those who are particularly harsh of their gear. Marine Green.
  • Extreme Durability: 210D oxford nylon with high-tenacity polyurethane coating.
  • Air-Tight Compression: Low-profile, flexible purge valve slides easily into hatches and backpacks.
  • Watertight Seal: Exclusive SealLine DrySeal roll-down closure.
  • Light Weight: The best combination of light weight and extreme durability for a wide range of uses.


  • Capacity: 9 Liters
  • Color: Olive Green
  • Weight: 3.3 oz / 93 g
  • Diameter: 7 in / 18 cm
  • Height: 13 in / 33 cm
  • Volume: 549 cu. in / 9 liters
  • PVC-Free: Yes
  • Country of Origin: Made in Seattle, USA
  • NSN: 8465-01-542-7688
  • Cascade Designs
  • Item# 02138

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