Umpqua Foam Essential Mini Synthetics Engineered insulation paneling utilizes this

Engineered insulation paneling utilizes this full-stretch synthetic down in a performance mapped 3/2 fill ratio(90g body/60g sleeve & hood) to keep your core warm and maintain heat throughout the body

or wind forecasts

It is adjusted with a generous drag knob that offers superior gripping surface and texture for wet and cold fingers

1 Insulator

This means

Umpqua Foam Essential Mini Synthetics Engineered insulation paneling utilizes thisHolds 155 Flies. An extremely versatile, compact slim box perfect for an extensive range of dries & nymphs. Sneak out for some pre or post work fishing with the Essential Mini Fly Box. This pocket sized box can hold all the flies you need to carry to stay organized and make the most of any time on the water. ESSENTIAL INSERT EVERYDAY WORKHORSE Most compact and user friendly storage for flies 8 22 FlyTrap for offset storage without head tail overlap