Lightweight Warmth – Built for Cold Mornings When the chill tries to slow you down, the Simms M’s Strata 160 LS Crew is your first layer of defense. Crafted from a soft, temperature-regulating blend of wool and polyester, it balances warmth, breathability, and mobility so you can focus on the fishing—not the cold. Designed to work seamlessly under other layers, it’s the essential piece for active anglers who demand comfort from dawn to dusk. Key Features: Fabric Composition: Main: 92% Polyester, 8% Wool stretch knit Underarm Panels: 92% Polyester, 8% Elastane Stretch Jacquard Mesh for ventilation and flexibility 4-Way Stretch: Ensures unrestricted movement Layering Comfort: Raglan sleeve construction for improved mobility and fit under jackets or waders Seam Comfort: Low-profile flatlock stitched seams for next-to-skin wear Integrated Thumb Holes: Keep sleeves in place when layering Moisture Control: Wicking and quick-dry finish keeps you dry Odor Control: Anti-microbial treatment helps prevent odor build-up Style Number: 14226 Summary The Simms M’s Strata 160 LS Crew delivers lightweight warmth, moisture management, and odor control in a versatile base layer. Designed for all-day comfort, it’s the ideal first layer for active fishing in cool conditions.