These 1 person tents and bivies are 1 kilo or less.

The lightest shelters are sheets or bivy bags. For comfort you need some shape and tents are the go.  Consider being able to sit upright in a tent – don’t just focus on weight.

 

Big Agnes Fly Creek UL 1 Tent Big_Agnes_Fly_Creek_UL_1_Tent Trail Weight – 1lb 14oz (879g)
Packed Weight – 2lbs 3oz
Fast Fly Weight – 1lb 6oz
Packed Size – 5.5″ x 16″
Floor Size – 22 sq ft
Floor Length – 86″
Floor Width – 42″ at head | 31″ at foot
Head Height – 38″
Foot Height – 22″
Vestibule Area – 5 sq ft
Big Agnes Fly Creek HV UL Ultralight Backpacking Tent Big Agnes Fly Creek HV UL Ultralight Backpacking Tent Trail weight: 1lb 11oz;
Packed weight: 2lb 1oz;
Packed size: 4 x 19 in;
Head height: 38 in.AmzAuButton
Black Diamond Spotlight Bivy Black_Diamond_Spotlight_Bivy Minimum Weight: 510 g, 1 lb 2 oz
Average Packed Weight: 670 g, 1 lb 7 oz
Dimensions: 234 x 76 x 51 cm, 92 x 30 x 20 in
Area: 1.7 m2, 18.5 sq ft
Packed Size: 10 x 19 cm, 4 x 7.5 in
Coleman Falcon X1 coleman_falcon_x1 Poles: Scandium Air Hercules with floating inserts
Weight 0.98 kg Height 70 cm Width 125 cm Length 315 cm
Integral Designs Unishelter Exp Bivy Integral_Designs_Unishelter Average weight 1 lb. 15 oz.
Average weight – metric .88 kilograms
Dimensions 98 (length) x 22 (foot) inches
Dimensions – metric 249 x 56 centimeters
Fabric Coated nylon
Packed size 4 x 18 inches
Luxe X Rocket luxe_bivy Sleeps: 1
Doors: 1
Dimensions: 215cm L x 85cm W
Mesh inner dimensions: 216cm L x 85cm W
Height: 112cm
Weight: 950g
Packed dimensions: 20cm L x 12cm Diameter
Marmot Home Alone Bivy marmot_home_alone Minimum Weight: 1 lb 10 ozs / 737 g
Packed Weight: 1 lb 12 ozs / 794 g
Area: 19 sq ft / 1.8 sq m
Packed Size: 5 x 19 in / 12.7 x 48.3 cm
Poles: 1 DAC NSL 8.5mm
MSR Carbon Reflex 1 msr-carbon-reflex  Hyperlight: Comparable to the MSR Hubba in volume, the carbon fiber poles and efficient design make the Carbon Reflex 1 nearly a pound lighter.
Fast Setup: Efficient two-pole design is strong and simple to use.
Livable: Unique geometry provides maximum interior space, front vestibule and zippered rear window access to rear vestibule.
Versatile: Can be set up as a double-wall tent or with just the fly and footprint for a compact, flyweight shelter at just 700g (1 lb. 9 oz.) Review
Nemo GoGo LE nemo_gogo_le Minimum Weight: 2.3lbs (1.0kg)
Packed Weight: 2.8lbs (1.3kg)
Capacity: 1
Frame: AST (Air Supported Technology), 1 2″ (5.1cm) diameter Airbeam
Floor: 114″ x 41″ (290 x 104cm)
Floor Area: 20 sq ft (1.9 sq m)
Interior Height: 27″ (69cm)
Vestibule Area: 5 sq ft (0.4 sq m)
Packed Size: 6.5″ x 7″ dia (17 x 18cm)
Nordisk Telemark 1 ULW Telemark 1 is a very spacious 1 person tent with a surprisingly low weight due to the technical construction and the choice of state-of-the-art fabrics and components. It is available in an aluminium or a carbon version (770g) depending on how important weight is to you.
North Face Assault Future Light Waterproof yet breathable FUTURELIGHT™ three-layer laminate material

Square-cut head and footbox provide room for a pack and boots

Ultra-lightweight, minimalist shelter designed for high-altitude camps

Delrin®-reinforced brow keeps the bag off your face

Offers a mesh closure for dry weather and a full waterproof closure for wet weather

420 grams

Sea to Summit Solo Specialist specialist_SOLO One entrance and vestibule
Double-stitched and bar tacked at all stress points
Fully tape seam sealed
2 x 7075 alloy poles and 6 x hard anodised 7075 alloy pegs
Reflective guys
Internal storage pocketWeight: 625g
Length: 213cm
Height: 95cm
Width: (outer) 120cm
Width: (inner) 90cm
Packed size: 25cm x 10cm
Six Moon Lunar Solo sixmoon_lunar_solo 740 grams.

Weight does not include stakes or pole – needs a single hiking pole.

Terra Nova Laser Pulse Ultra 1 The Laser Pulse Ultra 1 tent is the lightest tent in the world with a minimum weight of a mere 450g

see two person tents