Loose-Fill Insulation

The L.I.M Mimic balances weight and warmth really well. This synthetic jacket is a great all-rounder and excels in mixed conditions where down insulation would struggle.  Haglofs says:  We've brought our Mimic material technology –..…

A dependable synthetic midlayer that balances weight, packability and comfort. Patagonia says:  We built the Nano Puff® Jacket for climbers who needed a weather-resistant, lightweight and packable synthetic insulation layer that could stay w…

A lightweight synthetic hoody with dependable insulation and simple, functional features. Patagonia says:  We built the Nano Puff® Jacket for climbers who needed a weather-resistant, lightweight and packable synthetic insulation layer that c…

Warmth, packability, and versatility for year-round mountain adventures. Rab says:  Lightweight, packable insulated jacket with fleece side panels for breathability and superb mobility. Now with larger baffles and warm, high-loft synthetic...

UOG TOP PICK:  A Top Synthetic Pick for Alpine Versatility: The Rab Cirrus Flex Insulated Hoody offers adaptable warmth and mobility, making it a reliable layering piece for outdoor adventures in changing conditions. Rab says:  Lightweight,…

The Montane Icarus Lite is a versatile, lightweight jacket for mountain activities. It features PrimaLoft insulation for warmth, stretch panels for freedom of movement, and a weather-resistant shell. It's ideal for moderate to excellent cold and dry.…

Warmth, packability, and versatility for year-round mountain adventures. Rab says:  Layer in winter or use as an outer in the warmer months, this versatile synthetic insulated jacket is perfect for year-round alpine use. With a fresh design that…

The Rab Cirrus Alpine Insulated Jacket offers versatile, reliable warmth for hikers. Its updated design features efficient PrimaLoft® Silver RISE insulation and recycled Pertex® Quantum fabric for eco-conscious performance. Rab says:  La…

UOG TOP PICK: The Rab Cirrus Ultra Insulated Hoody, with PrimaLoft® ThermoPlume®+ insulation, balances warmth and packability. The Thermo Ionic Lining Technology enhances core warmth, while the recycled Pertex® Quantum Pro outer fabric re…