La Sportiva Size Chart The Altitude is a cool long sleeved lifestyle shirt, ideal for your climbing session as well as free time. Its long sleeves and collared construction make it highly versatile. A quick drying fabric with soft-as-cotton feel and Polygiene(R) anti-bacterial and anti-odor treatment lend technical features for outdoor wear. Features: - 1 chest pocket - Full button closure - Polygiene(R) anti-odor and anti-bacterial treatment - Quick drying and highly breathable - Weight: 7.90 oz (225g) - Fabric: 50% Polyester, 40% Cotton, 10% Linen - Fit: Regular