Hyperlite Mountain Gear UltaMid 4 – Mesh Full Insert with DFC Floor

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Lightweight, durable, and protective, the UltaMid 4 Full Insert with DCF Floor brings comfort and versatility to backcountry adventures.

Hyperlite Mountain Gear says: 

The bug and moisture barrier companion to our UltaMid 4 shelter.

This four-wall UltaMid 4 Insert features “no-see-um” mesh and a Dyneema® Composite Fabrics floor for adventurers who want to keep the bugs at bay and gear dry. Built to fit into the UltaMid 4, the 100% waterproof DCF11 bathtub-style base ensures excellent protection in inclement weather. The UltaMid 4 Full-Insert creates a living room for up to four people. The insert is marginally smaller than the perimeter of the UltaMid, so it never touches the walls and keeps condensation to a minimum. UltaMid 4 Tent, Ultralight Stake Kit, and UltaMid Carbon Fiber Tent Pole sold separately.

Our Verdict

The Hyperlite Mountain Gear UltaMid 4 Mesh Full Insert with DCF Floor is an impressive addition to the UltaMid 4 shelter, balancing lightweight build and practical protection. Weighing around 806 grams, shields, four campers (or two who enjoy space) from insects and ground moisture. The “no-see-um” mesh walls maintain ventilation while keeping bugs out, and the DCF11 Dyneema floor is waterproof and robust, with a bathtub-style design that keeps water out even in adverse conditions.

Designed specifically for the UltaMid 4, the insert attaches via shock cords and hooks for a snug fit. This ensures it stays in place without touching the outer walls—perfect for minimising condensation. Although the insert adds some weight to the overall setup, the trade-off is well worth it for the comfort and security it provides.

– Reviewed by Ultralight Outdoor Gear

Features

• Compatible with the Ultamid 4 Ultralight Pyramid Tent, Ground Cloth
• Top, center-pole cone reinforced with Hardline with Dyneema®
• Adjustable shock cord with glove hooks attach corners to shelter
• Sewn-in guy line for tying back door panels
• Includes – X-Large Drawstring Stuff Sack & Carabiner
• Vertical two-way zipper running from floor to shelter door with two horizontal zippers running the width of the floor

Specifications

• Weighs:806 g
• Capacity: 3-4 People
• Packed Dimensions: 10.0″ x 8.5″ x 7.0″ | 25.4cm x 21.6cm x 17.8cm
• Area: 70 sq. ft.
• Width: 101.0″ | 256.5cm
• Length: 101.0″ | 256.5cm
• Height: 75.0″ | 190.5cm

Material & Construction

• Wall Material: No-See-Um Mesh
• Floor Material: DCF11 Bathtub Floor
• Full-Panel #5 YKK Zipper