Alpinestars AT 8 Merino Base Layer Top Built for adventure riding and everyday comfort in cold demanding conditions, the All Terra AT 8 Merino Top Layer delivers reliable warmth and lasting comfort. Its 250g dual-layer fabric pairs 100 Merino wool against the skin for softness with a 100 polyester exterior for dependable performance, providing strong temperature control, moisture wicking and quick drying. Features: Dual-face 250g construction - Merino wool lining for climate control, polyester exterior for added durability, shape retention and pill-resistant performance Moisture-wicking, breathable and odor-resistant for multi-day use Ergonomic raglan sleeves with underarm gussets for unrestricted riding mobility Flatlock side seams and practical collar designed for comfort and easy on-off