Sitka Heavyweight Bottom Size:M Pit zips enhance temperature regulation

Pit zips enhance temperature regulation during high-output movement

Stylish and Functional: Type II anodized finish for durability and classic appeal

UPF 50+ sun protection for extended exposure in open terrain

A lofted micro-grid fleece backer adds lightweight insulation

Thoughtful features like dedicated storage pockets

Sitka Heavyweight Bottom Size:M Pit zips enhance temperature regulationThe Heavyweight Bottom is a foundational next to skin baselayer that keeps the lower limbs warm during long periods of frigid inactivity while wicking moisture when on the move. With a comfort stretch fleece for warmth and channeled construction for added breathability and moisture management, the Heavyweight Bottom is perfect for cold weather days spent in a layout blind, stand or glassing in the backcountry.