If youAAAAAA 1/2re all about cutting down on weight when you play in the mountains, check out the Patagonia MenAAAAAA 1/2s R3 Hi-Loft Fleece Jacket. This compressible, super lightweight fleece retains heat in cold weather, and the fabric feels soft and fuzzy against your skin. The R3 Hi-Loft works great alone when you ski up the peak and is a sweet addition to your layering system when wet storms roll in.