Free Fly's latest Bamboo Flex Weight material offers greater warmth, mobility, and coverage. The heathered colors give a nod to style, taking you from dock to downtown with ease. Thicker material is naturally insulating Bamboo itself is moisture wicking 3 button placket for temperature regulation Offset shoulder seams reduce chafing with straps Long sleeve construction with a straight hemline 4-way stretch offers unrestricted range of motion Specs Best Use:   Casual, Multisport Fabric:   48% Bamboo Viscose / 47% Polyester / 5% Spandex Fit:   Regular