Your Complete 4-Season Sleep System – Lighter, Warmer, More Versatile.
Stop piecing together mismatched gear. The ultimate backpacking sleep system has arrived. Combine the ATEPA PEAKVENT 520 3-in-1 Convertible Sleeping Bag with the ATEPA CoreX 5 Insulated Sleeping Pad for a fully integrated, ultralight setup that adapts to any adventure—from summer nights to deep winter expeditions.
🏕️ What's Included:
| Item | Description |
|---|---|
| ATEPA PEAKVENT 520 Sleeping Bag | 3-in-1 convertible system: Full bag, top quilt, or pad cover. 650FP down blend, ISO comfort rated to 42.8°F. Weighs 3.4 lbs. |
| ATEPA CoreX 5 Insulated Pad | R-Value 5, 4-season insulation. Weighs just 1.32 lbs, 3.54" thick, packs smaller than a water bottle. Includes pump sack. |
| Total System Weight | 4.72 lbs – Lighter than most standalone winter bags! |
Why This Bundle Is a Game-Changer:
✅ TRUE 4-SEASON VERSATILITY
| Condition | Use This Configuration |
|---|---|
| Deep Winter (Below 20°F) | Full bag + CoreX 5 pad |
| Cold Spring/Fall Nights | Full bag (vented) + CoreX 5 pad |
| Mild Summer Evenings | Top quilt + CoreX 5 pad |
| Camp Lounging / Picnics | Top quilt as standalone blanket |
| Integrated Sleep System | Pad cover mode + CoreX 5 pad |
✅ PERFECTLY MATCHED INSULATION
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Bag: 650FP down blend with ISO comfort rating 42.8°F (6°C) , good to 6.8°F (-14°C) extreme
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Pad: R-Value 5 certified for ground temps down to -4°F (-20°C)
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Together: No cold spots, no drafts—just consistent warmth from head to toe
✅ 3-IN-1 BAG ADAPTS TO ANY TRIP
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Full Bag: Maximum warmth for cold nights
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Top Quilt: Lightweight blanket for warmer weather or camp use
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Pad Cover: Attaches directly to your CoreX 5 pad for a secure, draft-free sleep system
✅ ULTRALIGHT & COMPRESSIBLE
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Total system weight: 4.72 lbs – lighter than most standalone winter bags
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Bag packs to 13.8" x 7.9"
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Pad packs to 9" x 4.3" (smaller than a water bottle)
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Fits easily in any backpack, bikepacking rig, or motorcycle luggage
✅ INTEGRATED PUMP SACK INCLUDED
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CoreX 5 pad comes with pump sack for dry, effortless inflation
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No moisture inside pad, no lung power needed
✅ DURABLE & TRAIL-READY
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Bag: 20D recycled nylon shell with water-repellent Grade 4 finish
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Pad: 20D Nylon TPU – puncture-resistant and waterproof
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Both include repair kits for field fixes
📊 Bundle Specs at a Glance
| Component | PEAKVENT 520 Sleeping Bag | CoreX 5 Insulated Pad |
|---|---|---|
| Weight | 3.4 lbs (1.52 kg) | 1.32 lbs (600g) |
| Total System Weight | 4.72 lbs (2.12 kg) | |
| Temperature Rating | Comfort 42.8°F / Limit 33.8°F / Extreme 6.8°F | R-Value 5 (good to -4°F ground temp) |
| Insulation | 650FP down blend + recycled cotton | 7-layer thermal core with reflective films |
| Unfolded Size | 78.7" x 33.5" | 71.6" x 24.4" x 3.54" |
| Packed Size | 13.8" x 7.9" | 9" x 4.3" x 4.3" |
| Key Feature | 3-in-1 convertible: bag, quilt, pad cover | Pump sack included, horizontal tensioning |
| Included | Compression sack | Pump sack, repair kit, straps |
🌲 Perfect For:
🥾 Thru-Hiking & Long-Distance Trails (PCT, AT, CDT) – Save weight without sacrificing warmth
⛰️ 4-Season Backpacking & Alpine Expeditions – R-5 pad + down bag handle real cold
🏕️ Car Camping & Basecamp – Ultra-versatile bag works for everything
🚴 Bikepacking & Motorcycle Camping – Compresses small, carries easy
💑 Couples – Zip two bags together for double-wide comfort
🏆 Why This Bundle?
| Without Bundle | With This Bundle |
|---|---|
| Buy bag and pad separately | One-click complete system |
| Mismatched warmth ratings | Perfectly matched for 4-season use |
| Bag only does one thing | 3-in-1 versatility |
| Pay full price for each | Special bundle savings |
🛒 What's in the Box:
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ATEPA PEAKVENT 520 3-in-1 Sleeping Bag with compression sack
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ATEPA CoreX 5 Insulated Sleeping Pad with pump sack, repair kit, compression straps
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Complete 4-Season Sleep System – Ready to Go
From Freezing Nights to Summer Evenings – One System Does It All
The PEAKVENT 520 adapts to the weather. The CoreX 5 locks in ground warmth. Together, they form the most versatile, lightweight, and reliable sleep system for adventurers who refuse to compromise.
👉 Add Both to Cart – Build Your Ultimate Sleep System Today!
Grab Yours Bundle!
