Product Description
Inflate Pads Faster, Keep Gear Dry
The Therm-a-Rest BlockerLite™ Pump Sack is a 2-in-1 dry sack and high-volume inflation aid. Built with ultralight, welded-seam BlockerLite™ fabric from SealLine®, it holds up to 20 L of gear or air for rapid, moisture-free pad inflation. Snaps onto WingLock™ and TwinLock™ valves in seconds, then packs down small when not in use—your camp setup shortcut and waterproof storage solution in one.
Therm-a-Rest BlockerLite™ Pump Sack Features
- Dual-Use Design: Functions as a 20 L waterproof dry sack or as a high-volume pump sack for fast, moisture-free inflation.
- Ultralight & Durable: Welded-seam BlockerLite™ fabric provides waterproof protection at just 0.14 kg.
- Rapid Inflation: Snaps securely onto WingLock™ and TwinLock™ valves—inflate pads more quickly than by breath alone.
- Packable Convenience: Roll-top closure and lightweight material pack down small when used for storage.
- Made in USA: Engineered by Therm-a-Rest with SealLine™ innovation for trusted performance.
Therm-a-Rest BlockerLite™ Pump Sack Specifications (Metric)
- Capacity: 20 L
- Materials: 20 D ripstop nylon with welded BlockerLite™ waterproof seams
- Weight: 0.14 kg
- Dimensions (when open): 25.4 cm × 14 cm × 61 cm
- Valve Compatibility: Therm-a-Rest WingLock™ and TwinLock™ valves (not compatible with Standard valves)
- Packed Size: Rolls to approximately 14 cm × 8 cm cylinder
- Included: Pump sack with integrated valve adapter
- Country of Origin: USA
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