The redesigned 2019 Sitka Gear Core Heavyweight Bottom is a must have in your base layer arsenal. 2019 Sitka Gear Core Heavyweight Bottom is an ideal mid-layer for cold, static hunts. With Sitka's Permanent Polygiene(R) Odor Control Technology, and gusseted design, the 2019 Sitka Gear Core Heavyweight Bottom provides warmth and breathability for those active late-season hunts.Features:Heavyweight comfort stretch fleeceMinimal seamingLow-profile elastic waistbandGusseted design