A lightweight, packable jacket that delivers top performance in weatherproofing, the Men’s Beta SL Jacket is Arc'teryx’s lightest jacket in the Beta range, ready for rigorous mountain pursuits. Engineered with a GORE-TEX® ePE membrane and C-KNIT™ backer technology, this innovative design provides full water and windproofing, comfort, and breathability. The helmet-compatible StormHood™ offers full coverage without compromising visibility, Velcro®-adjustable cuffs seal out water, and pit zippers allow for ventilation. The RECCO® reflector enhances safety in search and rescue situations. Articulated patterning ensures unhindered mobility, and two hand pockets with an additional internal chest pocket offer storage for essentials. This jacket is perfect for hiking, mountain paths, or scaling crags, offering lightweight, weatherproof performance. The Beta SL Jacket was previously the Beta Lightweight (LT) Jacket. The Arc'teryx Beta Jacket "Black Sapphire" is an excellent option for those looking for reliable protection in variable weather conditions. Made of GORE-TEX ePE fabric, it offers waterproofness, windproofness and breathability. Its PFC-free membrane is laminated with bio-nylon, reducing the carbon footprint. The GORE C-KNIT ™ technology makes the jacket exceptionally light, soft, and comfortable, combining durability with ecological responsibility. Arc'teryx demonstrates its extensive outdoor knowledge in this jacket - the Beta SL. Cut to a slim fit, this jacket boasts impressive specs including waterproof, windproof, breathable, and lightweight features. 100% Nylon with ePE and PU, Fitted, Weatherproof, Helmet Compatible StormHood™, RECCO® Reflectors, Adjustable Cuffs, 2 Hand Pockets, Internal Pocket, Machine Washable, Printed Branding, Arc'teryx.