RAB Alpha Flash Jacket Lightweight, breathable, and quick-drying active insulation. - Color: Beluga - Design: Zip-up, with pockets - Style: Fleece jacket - Material: Core is Polartec Alpha, sides and underarms are Thermic Fleece - Gender: Men - Size: US/UK M, JPN L Thank you for looking. I have worn it about 4 times, but there are no stains, tears, or odors.