Gently used and in Like New condition. Selling because I have too many redundant pieces of outerwear. Ended up gravitating towards the Patagonia R1 Air layering system so this piece never made it into my regular rotation. Too nice to be sitting in storage so I'm putting it back into circulation! MSRP: $160 Size: Men's Small Color: Grey/Blue Previous description on Arc'teryx's website (their Atom vest has folded all of the previous models - AR, SL, & LT - into one): "Light, warm, highly versatile insulation performs as a standalone and midlayer. The Men's Arc'teryx Atom SL Vest is a proven performer across a range of seasons, landscapes and activities. Elevated with advanced insulation and material technologies, this versatile vest delivers its best performance ever."