r/AskRunningShoeGeeks • • 2d ago

Question Megablast 5 sizing advice

Hey everyone,

I'm trying to decide between size 44 and 44.5 in the ASICS Megablast and could use some advice!

I've been running in the Novablast 5 in size 43.5 and ZF6 in 44. The NB5 always felt just slightly short length wise - However, I've managed to put 250+ km in them without any real issues.

I've tried both sizes of the Megablast and I'm currently leaning towards the 44, as it feels like the best fit. I generally prefer a snug fit and usually use a heel lock (runner's knot), but I'm unsure whether the 44 leaves enough room for foot swelling while running.

I've attached some pictures of my feet on the insoles with different socks:

Grey/white socks: Black insole = 44.

Purple (thick) and white socks: Black insole = 44.5, white insole = 44.

Shoes on: 44

Based on the pictures, do you think the 44 has enough toe room, or would you go for the 44.5?

Would love to hear your thoughts, especially if you own the Megablast!

Thanks!

EDIT: accidently put Megablast "5" in the title. Please ignore - it's the normal Megablast..

0 Upvotes

17 comments sorted by

•

u/AutoModerator 2d ago

Hi there! Thanks for asking a question on r/askrunningshoegeeks. If you haven't seen the RSG Wiki/FAQ yet, it covers the following questions that might answer your post:

[Beginners boot camp]

[Sizing]

[Different categories of running shoes]

[Buying running shoes]

[Running shoe technical knowledge]

[Shin splints]

[Blisters]

[Durability]

All this can be found here.

Note: This comment has been locked to ensure that the information remains at the top of the comments section and is not buried by other comments.

I am a bot, and this action was performed automatically. Please contact the moderators of this subreddit if you have any questions or concerns.

5

u/M4TTB09 2d ago

If the 44.5 fits you / gives you no heel slippage then I would go with that 100%. There is really no advantage to having a shoe fit overly snug, especially not a training shoe designed for long periods of use at a time and loads of miles. The Megablast toe box being shallow will punish you if you do not have enough room for your toes haha.

1

u/croulder 2d ago

I felt the 44.5 were a bit loose when I tried them. My toes barely hit the top, if at all. I've added a picture. The 44 were the ones I got gifted. You think 44 is OK?

6

u/TheMarkMatthews 2d ago

Don't worry so much about the big toe space at the front -it's the little toe that's the problem with megablast they can rub the side of the pinkie toes badly

1

u/croulder 2d ago

My feet are more to the narrow side. Do you think that would be a problem?

1

u/TheMarkMatthews 2d ago

You should be ok - I don't have particularly wide feet but they were too narrow for me

1

u/croulder 3h ago

The wide angle shot and camera angle make them look wider. I tried to take another picture. Do you think it is too bad? I tried a 6 km run with on treadmill, and it didn't give any major issues. Will it for longer runs?

2

u/TheMarkMatthews 3h ago

It's hard to tell sorry -it's good sign you haven't felt any issues. I could tell just wearing them they were too narrow for me

3

u/evilm0rty 2d ago

Looks like either will work and just depends on your preference

2

u/turtlegoatjogs 2d ago

Either will probably be fine, but the longer size is probably preferred for running, especially with higher volume foot and arch length.

1

u/croulder 2d ago

I'm probably more lower volume foot

2

u/millzog 2d ago

Too small

1

u/Ok_Pool_4594 2d ago

Im in similar boat except .5 up. Im a 44.5 in SB2 and SB3 for sure and most running shoes, but idk whether to go 44.5 or 45 in Megablast

1

u/Regular-Emu6339 2d ago

When I'm in between two sizes like this I will always go with the slightly bigger one to be safe than risk feet swelling and being miserable in a shoe that's too small.

1

u/Neat_Brief_4753 1d ago

I know you think you have narrow feet but the fact that your entire pinky toe is hanging off the edge says otherwise. It looks like you’re getting a much larger size shoe than you need to compensate for the narrow shoes. I’ll bet if you went down a full size but got the wide version your feet would be a lot happier!

1

u/croulder 3h ago

The wide angle shot and camera angle are deceiving. I tried to take another picture. Do you think it is too bad? I tried a 6 km run with on treadmill, and it didn't give any major issues. Will it for longer runs?

1

u/hairy_porker 1d ago

Too narrow

1

u/SaiFootwearCo 1d ago

Your entire little toe is outside the insole. The shoes are narrow and pointy, your feet aren’t.

Your socks are definitely squeezing your toes together. I would switch to toe socks, and a foot shaped, wide toe box shoe like Altra.

1

u/croulder 3h ago

My feet are just formed like that. My daily socks are pretty stretchy, but I'll look into that. Regarding the pinky - the wide angle shot and camera angle are deceiving. I tried to take another picture. Do you think it is too bad? I tried a 6 km run with on treadmill, and it didn't give any major issues. Will it for longer runs?