Whether sleuthing new water or slipping into old standbys, Simms’ Madison Fleece is a toasty Popover that packs premium comfort. Powered by wicking, 100-percent polyester fleece and UPF 50 sun protection, this mission ready mock-neck has a YKK® center-front halfzip, kanagroo pockets, and stylish flatlock seaming. Traditional fit comes standard.