Airflow and moisture management in a shirt made for mountain running. Hardwired for mountain running, the Norvan Crew is made to go far. Its hybrid construction combines our soft, high-performance Phasic FL fabric with our ultralight Delta mesh on the back for improved airflow. Merrow seams and laminated finishes in key areas minimize chafe, the design rides comfortably under a hydration vest, and the patterning removes restriction. Full Product Features Technical Features - Moisture-wicking - Breathable - Lightweight Construction - Merrow and flatlock seam constructions reduce bulk and enhance comfort - Breathable Phasic™ FL fabric on front body and shoulders is made with wicking yarns and is comfortable next-to-skin - Ultralight Delta™ knit mesh fabric at back allows maximum airflow for cooling Design & Fit - Side split ensures ease of stride Logos & Label Configuration - Reflective logo adds visibility in low light situations Neckline Configuration - Laminated neckline for a clean finish Patterning - Articulated patterning for unrestricted mobility - Patterned and finished for comfort under a hydration vest Sustainability - Biocidal Disclosure - This model was treated with an anti-odour biocidal product (Active Ingredient: Silver Nitrate) - PFAS (Per- and polyfluoroalkyl substances) Compliant Materials - Contrast: Lightweight Delta knit mesh, Silvadur finishing 88gsm - 100% Polyester - Body: Polyester high gauge single jersey, Delta with Carat (FC0 DWR) yarn, Silvadur finishing, 96gsm - 100% Polyester - Origin of fabric: JAPAN - Origin of dying: JAPAN - May release plastic microfibres into the environment when washing