Jacks R Better Wind Gap Alpha multifunction wind liner in Purple Grape Alpha Direct with the black Ion 1.1 windproof shell corner folded back

Wind Gap Alpha

Purple Grape Alpha 90
$169.95
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Jacks R Better Wind Gap Alpha multifunction wind liner in Purple Grape Alpha Direct with the black Ion 1.1 windproof shell corner folded back
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  • Jacks R Better Wind Gap Alpha multifunction wind liner in Purple Grape Alpha Direct with the black Ion 1.1 windproof shell corner folded back
  • Jacks R Better Wind Gap Alpha multifunction wind liner with the corner folded back showing Fern Green Alpha Direct and the black Ion 1.1 windproof shell
  • Jacks R Better Wind Gap Alpha multifunction wind liner laid flat showing the Fern Green Alpha Direct 90 top layer
  • Jacks R Better Wind Gap Alpha multifunction wind liner showing the black Ion 1.1 windproof, water-resistant shell exterior
  • Jacks R Better Wind Gap Alpha multifunction wind liner Ion shell side with the corner folded back revealing the Fern Green Alpha Direct layer
  • Jacks R Better Wind Gap Alpha close-up of the Alpha Direct 90 active insulation texture with JRB logo tag
  • Jacks R Better Wind Gap Alpha Fern Green corner with the JRB underquilt suspension clip attached
  • Jacks R Better Wind Gap Alpha detail of the underquilt suspension strap and hardware
  • Jacks R Better Wind Gap Alpha multifunction wind liner laid flat showing the White Alpha Direct 120 top layer
  • Jacks R Better Wind Gap Alpha White Alpha 120 with the corner folded back showing the black Ion 1.1 windproof shell
  • Jacks R Better Wind Gap Alpha close-up of the Purple Grape Alpha Direct insulation texture with JRB logo tag
Wind Gap Alpha

Wind Gap Alpha

$169.95

One quilt, three jobs — blocks the wind on exposed nights, breathes when it’s muggy, and works as a liner, top quilt, or underquilt. Warm, never clammy.
Color
🔥 Only 3 left — ready to ship - same or next business day

Complete your sleep system.

One quilt. Three jobs. Zero excuses to be cold and wet.

The Wind Gap Alpha is built from 90gsm Alpha Direct sewn to a layer of Ion 1.1 — giving you the legendary warmth and breathability of Alpha Direct with a windproof, water-resistant shell that laughs at the conditions that send lesser gear into the stuff sack for good. Rated to 50°F, it’s your go-to for shoulder season nights when the temperature is tolerable but the wind is not.

Alpha Direct 90 Insulation + Ion 1.1 Windproof Shell

Alpha Direct 90 is a 90gsm active insulation prized by ultralight hikers and mountain guides for one reason: it breathes. Instead of just trapping heat, it dumps moisture vapor about as fast as your body makes it, so you stay warm without waking up clammy. It’s lofty, next-to-skin soft, and packs down small.

The catch with any active insulation is wind — a stiff breeze blows straight through it and strips the warm air away. That’s the job the Ion 1.1 shell does. Ion 1.1 is a 1.1 oz taffeta nylon with a tight weave that blocks wind and sheds light moisture while still letting the Alpha Direct breathe underneath. Sewn together, the two layers hold the loft and comfort of Alpha Direct behind a shell that keeps its warm microclimate in place — warmth you can actually hang onto on an exposed night. The White Alpha 120 steps the insulation up to a heftier 120gsm for a little more warmth in the same build.

Three Ways to Use It: Liner, Top Quilt, or Underquilt

Windproof Liner

Pair it with your existing quilt or sleeping bag for a windproof, water-resistant upgrade that adds warmth and weather protection without bulk.

Standalone Top Quilt

Light enough to carry solo, capable enough to use alone on warmer nights. The Ion layer keeps the wind from stealing your warmth.

Standalone Underquilt

Pair with the JRB Underquilt Suspension Kit and hang it beneath your hammock for insulation from below. Cold air doesn’t stand a chance.

Why One Sewn Quilt Beats Layering

You can get partway here by slipping our Alpha Direct Quilt Liner inside its separate Windproof Shell — and that’s a great system. The Wind Gap Alpha sews those two ideas into a single quilt. Nothing to line up, nothing to shift out of place in the night, nothing to leave behind at the last campsite — one piece does the work of two, in a shape sized to hang as an underquilt, drape as a top quilt, or slip inside your bag.

Named for the Trail

Wind Gap sits in Pennsylvania’s ridge country — a notch in Blue Mountain where the wind funnels through, the kind of gap that gave this quilt its name. Northbound thru-hikers reach it in the thick of summer, June and July, when the mid-Atlantic turns hot and humid and the rocks hold the day’s heat long after dark. Nights here don’t get cold so much as sticky, with a wind that cuts across the exposed ridgeline. The Wind Gap Alpha was built for exactly that: breathable Alpha Direct that won’t cook you in the humidity, and an Ion 1.1 shell that blocks the wind coming through the gap.

Handmade in Pennsylvania by Jacks R Better — making quilts since 2004. In-stock quilts ship the same or next business day.

Specs

Size 48" x 86"
Insulation 90gsm Alpha Direct (120gsm on White Alpha 120)
Shell Ion 1.1 (windproof, water-resistant)
Temperature Rating 50°F
Weight 12 oz
Made In Pennsylvania, USA

* Underquilt use requires the JRB Underquilt Suspension Kit, sold separately.

⚠️ These sell out as fast as we make them. The first run is limited and each color is hand-built in small batches — grab your color while it’s in stock.