The Patagonia M men Blue Alpiniste heavy Wool Sweater is a vintage 90s piece featuring a tight-knit design with a solid blue color. This long sleeve sweater is perfect for casual occasions, with a regular fit and pullover style. Made from wool, it is ideal for winter and fall seasons and also suitable for hiking activities. The sweater is accentuated with the brand's logo, adding a touch of personalization to this classic piece.