The ATOM SL HOODY from Arc'Teryx is a technical jacket with a compact hood that doesn't mess around.

This insulating model for men has been specially developed to cope with changing summer weather conditions. Providing lightweight fleece-like warmth at a significantly reduced weight, it's an effective middle layer in cooler conditions. Offering a good balance between air permeability and windproofness, this jacket features a Fortius™ Air 20 nylon outer fabric with moisture-repellent DWR treatment, breathability and stretch. No matter what's going on, this jacket provides ventilation when you're active and helps cut the chill when you're taking a break.
For warmth, it incorporates Coreloft™ Compact 40 g/m² insulation that is thin and insulating even when wet and offers optimum performance with very little weight. Lightweight fleece side panels help regulate thermal performance and ventilation. Articulated sleeves and underarm gussets increase freedom of movement.

This high-performance jacket is also packed with practical features: adjustable hood, front zip with chin guard and windproof flap, drawcord, pockets, etc.