Sleestak Costume
Bring the classic 1970s sci-fi reptilian monster back to life.
The Sleestak is the iconic, slow-moving reptilian antagonist from the classic sci-fi series Land of the Lost. Fans of vintage television and retro sci-fi choose this look for its nostalgic charm and instantly recognizable monster design. The costume consists of a textured green scale-patterned bodysuit, large black insect-like eyes, and three-toed claws.
- Difficulty
- Medium
- Time
- ~45 min
- Budget
- $50–150
Try it on
See yourself as Sleestak
One clear photo of yourself; we render you in this costume — face untouched, full body, about 20 seconds.
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What you need for a Sleestak costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Sleestak costume — one box instead of 4 pieces.
Green scale bodysuit
A full-body green spandex suit featuring a printed reptilian scale pattern.
DIY: Use a plain green morphsuit and draw scales on it with a dark green fabric marker.
Sleestak mask
A latex overhead mask featuring a single small horn, large glossy black dome eyes, and a wide, toothless mouth.
DIY: Modify a green alien mask by adding a small clay horn to the forehead and painting the eyes solid glossy black.
Three-fingered green gloves
Green reptilian gloves with three long, pointed claws or fingers.
DIY: Attach green felt claws to the fingertips of plain green winter gloves.
Reptilian shoe covers
Green fabric or latex shoe covers shaped like three-toed webbed feet.
DIY: Cut three-toed foot shapes out of green craft foam and strap them over your regular shoes.
Rather not assemble it? See ready-made Sleestak costumes at Spirit Halloween ↗
How to put it together
- 1
Put on the green scale-patterned bodysuit, ensuring a snug fit.
- 2
Slip on your regular comfortable walking shoes.
- 3
Secure the green three-toed shoe covers over your shoes to hide them.
- 4
Put on the overhead Sleestak latex mask, aligning the eye slits for visibility.
- 5
Put on the three-fingered claw gloves, tucking the cuffs into the sleeves of the bodysuit.
Makeup & hair
No hair styling or makeup is required, as the overhead latex mask completely covers your head and neck.
Sleestak for couples, groups, kids & more
- couples
- Pair up with another Sleestak to patrol the party, or go as a Sleestak alongside a caveman explorer.
- group
- Form a pack of three or more Sleestaks, moving in slow, synchronized, hissing unison.
- kids
- Use a green hooded sweatshirt with felt scales glued down the back and a simplified green face mask.
- Plus size
- Use a two-piece green scale shirt and matching leggings instead of a one-piece compression bodysuit.
Tips
- The latex mask can get hot, so take regular breaks to cool down and stay hydrated.
- Practice the signature slow, shuffling walk and low, raspy hissing sound to stay in character.
- Ensure the eye holes in the mask provide adequate peripheral vision before walking around in dark spaces.
Sleestak costume FAQ
- What does a Sleestak look like?
- A Sleestak is a tall, green, reptilian humanoid with large, glossy black eyes, a single small horn on its forehead, and three-toed hands and feet.
- How do you walk like a Sleestak?
- Walk very slowly with a stiff-legged, shuffling gait, keeping your arms slightly bent and making a constant, soft hissing sound.
- Is a full latex mask necessary?
- While a latex mask gives the most authentic look, you can use green face paint, black sunglasses, and a green hood with a small horn attached for a DIY alternative.
Did you know? In the original 1974 TV series, the Sleestak costumes were played by high school basketball players to make the creatures look imposing and tall.