Three Ways to Sleep. One Bag to Rule Them All. Meet the ATEPA PEAKVENT 520-the most versatile sleeping bag in your gear closet. With its innovative 3-in-1 convertible design, this bag adapts to any adventure. Use it as a full sleeping bag for cold nights, detach the top layer as a lightweight quilt for warmer evenings, or attach it to your sleeping pad as a cozy cover for an integrated sleep system. Filled with a 650FP down blend and certified to ISO temperatures as low as 6.8AdegF (-14AdegC) , the PEAKVENT 520 delivers warmth, flexibility, and eco-conscious materials for 3-season explorers. Key Features: 3-IN-1 CONVERTIBLE SYSTEM - ENDLESS VERSATILITY Full Sleeping Bag: Zip up for maximum warmth on chilly nights Top Quilt: Detach the upper layer for a lightweight blanket-perfect for mild weather or camp lounging Pad Cover: Attach the bottom layer to your inflatable sleeping pad for a secure, draft-free sleep system COLDMASTER(TM) 650FP DOWN BLEND INSULATION Fill: 360g Coldmaster(TM) blend (55% 650FP white duck down / 45% recycled cotton) Top Layer: 198g down + 162g recycled cotton for premium warmth-to-weight Bottom Layer: 160g/ polyester fill - durable and resilient Loft: 650+ fill power (US standard) for excellent compressibility ISO-CERTIFIED 3-SEASON WARMTH Comfort Rating: 42.8AdegF (6AdegC) Lower Limit: 33.8AdegF (1AdegC) Extreme Rating: 6.8AdegF (-14AdegC)Reliable performance for spring, summer, and fall adventures SPACIOUS SEMI-RECTANGULAR FIT Unfolded Size: 78.7" x 33.5" (200 x 85 cm) Roomy enough to move without feeling trapped 3D Foot Box: Extra volume gives your feet space to move-no cramped toes DETACHABLE TOP LAYER - MULTI-USE DESIGNRemovable top section converts instantly into a standalone blanket. Perfect for picnics, campfires, or warmer nights when you don&';t need a full bag. ECO-CONSCIOUS RECYCLED MATERIALS Shell & Lining: 20D 400T recycled nylon taffeta Water-Repellent Grade 4: Sheds moisture while remaining breathable Down-Proof Treated: Prevents feather leakage PVC-free and environmentally responsible PAD ATTACHMENT READYBottom layer designed to integrate with standard inflatable sleeping pads (sold separately). Secure connection prevents sliding and eliminates drafts. COMPRESSIBLE & PORTABLE Packed Size: 13.78" x 7.87" (35 x 20 cm) Weight: 3.4 lbs (1.52 kg)Includes compression sack for reduced pack volume-ideal for backpacking THOUGHTFUL DETAILS Full-Length Two-Way Zipper: Vent from bottom or top; mates with another bag for double-width comfort Adjustable Hood Drawcord: Cinch for extra warmth Zipper Draft Tube: Blocks cold air from sneaking in Interior Pocket: Secure phone, headlamp, or small essentials Specifications: Temperature Rating (ISO): Comfort 42.8AdegF (6AdegC) | Limit 33.8AdegF (1AdegC) | Extreme 6.8AdegF (-14AdegC) Unfolded Size: 78.7" L x 33.5" W (200 x 85 cm) Packed Size: 13.78" x 7.87" (35 x 20 cm) Weight: 3.4 lbs (1.52 kg) Fill (Top): 198g 650FP White Duck Down + 162g Recycled Cotton Fill (Bottom): 160g/ Polyester Shell & Lining: 20D 400T Recycled Nylon Taffeta - Water-Repellent Grade 4, Down-Proof Shape: Semi-Rectangular with 3D Foot Box Zipper: Full-Length Two-Way - Compatible for Doubling Included: Sleeping Bag, Compression Sack Perfect For: 3-Season Backpacking & Thru-Hiking Car Camping & RV Trips Convertible Quilt for Warm Weather Integrated Sleep System with Your Pad Couples (Zip two together) One bag. Three ways to sleep. Endless adventures. Add to Cart - Adapt to Any Adventure