The Arcteryx Men's Delta LT Jakcet. The Delta LT Jacket is a true essential. One of the most versatile fleece jackets Arc’teryx has ever designed, it layers easily under a hardshell and delivers effective warmth for little weight. Made from Polartec® Classic 100 micro velour small grid, the Delta LT is highly air permeable, dries quickly and packs small.
Polartec® Classic 100 Micro Velour Small Grid—100% polyester, 152 g/m². This fabric rapidly wicks moisture away from the skin, while still being highly breathable and ultra light.