Hit the trail wearing the Columbia Sportswearâ⢠Men's Steens Mountainâ⢠Fleece Vest, which features a zippered security pocket, so you can securely stow away your small gear. The 100% polyester fabric provides a soft feel and helps keep you warm. Modern classic fit for comfortable, casual wear. Front-zip closure. Columbia Sportswear Men's Steens Mountain Fleece Vest Delta, Medium - Men's Fleece at Academy Sports