A lightweight men's base layer top that's perfect for adventure and everyday training, the 150 Zone Short Sleeve Crewe features 150gm corespun merino with just enough LYCRA to maximize flexibility.Body: 83% Merino Wool, 12% Nylon, 5% LYCRA Eyelet: 84% Merino Wool, 15% Nylon, 1% LYCRAFabric Weight: 150 UltralightCorespun fabric for enhanced durabilityZoned body mapping technology for optimal thermal regulationLYCRA content for stretch and mobilityStrategically placed merino mesh for ventilationFlatlock seams prevent chafingRaglan sleeve construction for mobilityUnderarm gusset for comfort and mobilityDropped front and back hem for added coverageCenter back length: 75cm/29½" size LWeight: Large = 189 g / 6.66 ozSlim fit