Primaloft Sleeping Systems

Why Primaloft?

Integral Designs has chosen to use Primaloft Sport as our synthetic fabric.

Down is more thermally efficient than Primaloft and will outlast it many times over. However, down bags are expensive, they need to be treated with care, kept dry and are difficult to clean.

Primaloft bags are ideal for activities where there is some risk of getting wet. They dry quickly and are easy to wash. You could risk spending a night out in the elements with only a Primaloft bag for protection.

Primaloft is manufactured in sheets so it needs less baffling than down. It does not settle as closely around you as does down, so it does not feel as warm as down initially.

Primaloft does not compress as much as down, so you can get away with a lighter insulating pad.

Some people are allergic to down. Primaloft is hypo-allergenic.

Primaloft Sport is a soft durable high loft 100% polyester microfibre insulation. It is thermally efficient, lightweight and compressible, fast drying and water resistant. Primaloft Sport has a warmth to weight (clo) ratio of 0.65. Primaloft is manufactured in sheets of different thicknesses which are serged to the inner and outer shell fabrics and sewn along angular lines to stabilize the insulation. The thicknesses of Primaloft are measured in ounces per square yard (3.0 oz = 0.6" thick; 4 oz = 0.8" thick; 5 oz =1.0" thick)