Black Diamond Equipment - Ski Mountaineering Tee For the adventure of climbing big peaks and ripping up untracked terrain, this flexible tee offers comfort and durability for the intrepid adventurer. Featuring organic cotton and just the right amount of stretch, this flexible tee allows for mobility of all kinds. Organic Cotton Pre-shrunk Slim XS-XL 117g India Tech Specs Weight: 117g Materials: Organic Cotton Stretch Jersey (96% Organic Cotton, 4% Elastane)