Its 100-weight construction provides a high warmth-to-weight ratio, making it an excellent mid-layer that fits comfortably under a shell without adding excessive bulk.
It is frequently compared to the Patagonia R1 series; while the RDT zip
is often considered lighter and more breathable, some users find it requires a wind shell more frequently due to its highly porous, breathable knit. Technical Specifications breathable knit. Technical Specifications