TECHNICAL SPECS Constructed using Global Merino’s unique 87%/ 13% Core RAPT(™) Nylon Merino Wool. RAPT (™) technology provides incredible strength, durability, and stretch recovery while maintaining the technical properties of 100% Merino Wool. 255 GSM/18.5 Micron Fabric serves as a perfect Mid-Layer Tailored Double Lined Hood provides additional warmth while laying flat when not in use. Slight asymmetric cowl neck for additional coverage YKK Concealed side seam utility/ cell phone pocket. Rear Differential for high output activities.