As mentioned on Outside Online "A modern take on this classic design..." The Free Fly 3-button henley has the performance of bamboo, offering greater mobility and coverage.
50+ Sun Protection
Bamboo Move 270
Heather: 46% Viscose from Bamboo / 46% Polyester / 8% Spandex
Solids | Heather Adobe Red | Heather Grey: 64% Viscose from Bamboo / 28% Polyester / 8% Spandex