Sitka Preowned Men's Core Lightweight Crew Long Sleeve Shirt. Size medium. Optifade marsh. Duck hunting. PTP approximately 21” Front length approximately 25.5” Back length approximately 27” The long-sleeved and low-profile CORE Lightweight Crew LS is a foundational next-to-skin layer for all seasons. • Quick dry comfort stretch fabric • Permanent polygiene odor control technology • Actively moves moisture away from the skin while keeping you dry and comfortable