The Arc'teryx Phase AR Crew LS in men's medium is a stylish and functional activewear top perfect for outdoor activities like hiking. Made of polyester with a solid color design, this pullover has long sleeves and a regular fit for comfort. Machine washable for easy care, this top is ideal for cooler seasons such as winter, fall, and spring. The Arc'teryx brand ensures high quality and durability, making it a great addition to any man's wardrobe.