NASA Space Boot Lacing

Used on astronaut's boots during the early space program. A doubled-up shoelace snakes up the shoe, passing both ways through each eyelet to lock tightly.

Diagram for 8 pairs of eyelets
Pairs
8
7
6
5
4
Step
10
9
8
7
6
5
4
3
2
1
0

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Lacing Technique

• Begin with the shoelace fed through the bottom-left eyelet.

• The inner (blue) end runs straight up the inside and out through the next higher eyelet, then straight across the outside and in through the opposite eyelet.

• The outer (yellow) end runs straight up the outside and in through the next higher eyelet (already occupied by the blue end), then straight across the inside and out through the (already occupied) opposite eyelet.

• Continue snaking both ends up the shoe, following the same path and feeding through the same eyelets from both sides, until lacing is completed.

Features

Unusual look

Holds very tight

Harder to tighten

2% shorter ends (approx.)

Notes

• This lacing was originally used to lace astronaut's zippered pressure boots. After adjusting the lacing to be tight throughout, the ends were permanently tied off. The zipper was then used to get the boot on and off. The double-passes of shoelace through each eyelet helped to "lock" the tightness at every point even when the boot was off.

• This lacing works best with thinner or flat laces because most of the eyelets have to accommodate two passes of shoelace.

• When feeding a second pass of shoelace through an eyelet, take care that the aglet (shoelace tip) doesn't catch on the shoelace fibers and cause any damage.

Shoelace Lengths for NASA Space Boot Lacing

Pairs of eyelets: 2 3 4 5 6 7 8
Length needed: 63 cm
25 inch
76 cm
30 inch
90 cm
35 inch
103 cm
41 inch
116 cm
46 inch
129 cm
51 inch
142 cm
56 inch
Lengths available: 27" 27" 36" 40" 45" 54" 54"

NOTE: These are approximate shoelace lengths for using this lacing on an average sized sneaker. For more accurate lengths, use the Shoelace Length Calculator.

Comparative Length

Longer shoelaces needed than those for basic Criss Cross Lacing.

Shorter ends if existing shoelaces are re-used (−2% on average).

More details.

NASA Space Boot Lacing Feedback

"All pairs of shoes/boots are indeed tight with this lacing, it isn’t to hard to tighten up that I can see but certainly once you put them on they are not coming apart or off easily at all that’s for sure. Apart from that I did try with fatter laces, and I can safely say that is definitely not recommended at all."

– Ian S., Jul-2019

If you'd like to send feedback about NASA Space Boot Lacing, please Contact Ian.

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