Simms' Lightweight Base layer Bottom is the essential next-to-skin layer for building a rock-solid foundation that prioritizes all-day mobility, warmth and wicking.

• Quick-dry, jersey knit polyester combined with sustainable odor control for maximum next-to-skin comfort
• Flat elastic waistband and fly pouch designed with minimal seams for a chafe-free, next to skin comfort
• Flatlock seam construction for next to skin comfort