"SL" means "superlight", which might be the first thing you notice about the lightest waterproof breathable shell in the versatile Beta series from Arct'teryx. You might also notice how full-featured and well-built this jacket is for its weight. Ideal for fast-and-light hiking or as an emergency shell on multi-pitch climbs, its packability also makes it a great choice for backpackers and travellers. A fully adjustable storm hood, drawcord hem and cuff adjusters offer complete protection from the elements, while underarm vents keep you comfortable when you're on the move. The front zip, vents and pockets all feature top quality water-resistant zippers and the overall build quality is top-notch, with tight seam tolerances and articulated construction that accommodates any move you need to make. ·Completely waterproof and breathable, with superlight GORE-TEX Paclite® Plus in the body and GORE-TEX with C-KNIT™ reinforcement in high-wear areas ·40-denier face fabric is lightweight and hard-wearing ·Micro seam allowance of 1.6mm reduces bulk and weight ·Trim fit is designed to maximize breathability during high output ·Articulated construction facilitates dynamic moves in rugged terrain ·Underarm gussets keep jacket from lifting when you're reaching overhead ·Adjustable storm hood is helmet-compatible, with a laminated brim to deflect rain and snow ·Tall collar with brushed microsuede chinguard ·Highly water-resistant external zippers used throughout