Klim® engineers a complete array layering solutions for every possible outdoor condition, specifically designed for the rigors of powered and unpowered outdoor activities. Conquer any Climate - Klim Synthetic Base Layers: The ultimate riding experience is now possible when you are intelligently dressed with Klim® “Engineered for Powersports” base layer systems. Redesigned from the ground up, the Aggressor series provides the most versatile & comfortable layering system available. When combined with Klim® mid-layers and outerwear systems, you will conquer any climate on planet Earth. Features Gridded base layer design traps heat Low-profile for excellent minimum-bulk layering Engineered specifically for the abuse of power sports “imperceptible” seams Contrast stitching Anti-microbial Moisture-wicking Highly breathable Fast-drying Designed specifically for use with klim® mid-layers and outerwear Aggressor 1.0 fabric gussets in underarms reduces bulk increase breathability/mobility New convertible cuff construction easily used as thumb hole or regular cuff