What Our Gearhead(R) Experts Are Saying:"I wear the Smartloft Hybrid Jacket on brisk hikes and shoulder-season climbs when I need warmth without overheating. The merino insulation keeps me warm even if it gets damp, and the stretchy side panels give me full freedom to move. It's a great go-to for layering or wearing solo on dry, chilly days."We turn to the Smartloft Hybrid Jacket when the trail calls and the weather is in-between. Smartwool's hybrid insulation blends recycled wool with performance stretch panels and a protective front shell to keep us warm and agile during cold-weather pursuits. Whether we're navigating steep switchbacks or grabbing coffee post-run, this jacket gives us balanced warmth and breathable comfort. The insulation offers the natural benefits of merino wool-warmth, breathability, and odor resistance-while the wind-resistant front panel adds protection against surprise gusts. Four-way stretch side panels enhance mobility, and thoughtful details like thumbholes and secure zip pockets make this piece a cold-weather staple from trailhead to town.