evo.com | Arc'teryx Midlayer Fleece > The Arc'teryx Delta Jacket isn't your average fleece - it uses octagonal hollow-core construction to boost it's warmth-to-weight ratio while maintaining the breathable softness you expect. With its smooth face for seamless layering, trim fit patterned for movement, and low-profile seams that eliminate chafing, this technical piece redefines what high-performance fleece can do on demanding mountain objectives. Full Front Zip Fitted with Articulated Patterning Tumble Dry Gentle Low Machine Wash Gentle Low Octa Polyester Fleece with 40D Delta Face 100% Polyester | Arc'teryx Delta Jacket Men's 2026 - X-Large Black | Polyester