a mid weight highly stretchable fabric is used on the main body

Or on a plane trying to sleep and it's just a tad chilly

biked commutes

Utilizes waterproof fabric to protect you from rain and maintain vision while on the trail and during everyday use

A go-to summer sleeping bag built for versatility

Montbell Zeo-Line Expedition Weight Round Neck Shirt Men's Collection/DOE a mid weight highly stretchableFeatures expedition weight ZEO LINE fabric to provide excellent warmth and comfort during winter activities in even cold, harsh conditions. A smooth surface and superior stretch allows for easy layering and unrestricted movement.