Service crew neck sweatshirt by CAT WWR. Inspired by CAT’s heritage as a workwear brand, this cotton jersey fleece crew neck sweatshirt features branded graphics at the left chest and back, complete with ribbed trim at the crew neck, cuffs and hem. Historically rooted in the resource and construction industry, CAT knows workwear. CAT WWR is Caterpillar Workwear redefined, capturing the true spirit of American workwear with everyday products that focus on authenticity, ingenuity and craftsmanship.