SITKA Gear Core Silk Weight Boxer The Core Silk Weight Boxer is our lightest weight boxer designed to keep you dry and comfortable all day. Elastic Waist Functional Fly Flatlock Seam Construction SITKA Gear  We pride ourselves on providing the highest quality apparel that ensures youre prepared to tackle any obstacle, in any element, under any condition. Check out our storefront to view our complete line up of industry leading products.