Story Super soft performance apparel made with sustainable bamboo fabric No one does apparel like Free Fly—they put comfort and performance on the forefront, yet, they still manage to make handsome, versatile duds in the process. Many of their pieces are crafted from fabrics infused with bamboo: one of the most naturally water-friendly and renewable resources on the planet, and it makes for an exceptionally soft fabric. The Flex Tee boasts temperature regulation, mobility, and coverage, yet retains a handsome heathered look that won't be out of place on the river or at happy hour. Features Classic pocket tee style Flex weight bamboo fabric offers insulation and temperature regulation, mobility, and coverage Heathered fabric adds depth to the look Four-way stretch for high mobility Naturally insulating and moisture-wicking Materials 46% viscose from bamboo, 46% polyester, 8% spandex Sizing The Flex Tee has a regular fit that's true to size, take your normal size If you are between sizes, we recommend sizing up for a comfortable fit For the absolute best fit, compare your body measurements to the size chart below S M L XL XXL Chest 33 - 36 36 - 39 39 - 42 42 - 45 45 - 48 All measurements are in inches.