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Rab's sleeping bag range is engineered with the latest evolution of that expertise. The following breakdown explains the technologies behind their bags: how they work, why they matter, and the science that keeps users warm when it counts. L.O.F.T™ stands for Lightweight Offset Fill Technology. Rab uses this trapezoidal baffle construction in a selection of their down sleeping bags to deliver …

In this post we look at the various Thermarest Sleeping Bags and explain the differences and best use.

1. Down or Synthetic Insulation? Down: Lightweight and highly compressible, ideal for packing. Superior warmth-to-weight ratio. Loses insulation properties when wet unless treated with water-resistant down. More expensive but lasts longer with proper care. Synthetic: Retains warmth even when wet. Dries quickly and costs less than down. Bulky and heavier than down. Shorter lifespan with frequen …