Baffin’s INFERNO BASE BOTTOM offers the ultimate in high-performance moisture management. Featuring high-wicking materials, the base layer layer pants bring a unique fit, weight, and warmth to the equation. With adaptability and performance at the forefront, the INFERNO BASE BOTTOM is an essential layering item for a wide range of activities and temperatures. Sizing Note: This item has a lot of stretch. Size chart measurements reflect the garment itself (off body); if you prefer a looser fit, consider sizing up.