Simms Men's Lightweight Base Layer Shirt - The essential next-to-skin layer for building a rock-solid foundation that prioritizes all-day mobility, warmth, and moisture wicking. Jersey knit brushed polyester combined with sustainable odor control and speed dry moisture management for maximum next to skin comfort Raglan sleeves for optimal fit and movement Flatlock seam construction for next to skin comfort Odor control and HeiQ Speed Dry 92% spun polyester 8% spandex Style: PG-13309