Here are some stores to check out for snowboard gear in Tokyo, Osaka & Kyoto:

BTW you probably want to look for brands like "DIMITO", "VOLCOM", "BURTON", ANTHEM", "THIRTYTWO", "VESP", "686" etc for loose fit.

-TOKYO-
SPORTS BOMBER
Address: 2-4-16 Kanda Ogawamachi Chiyoda-ku Ichigo Kanda Ogawamachi Bldg. 1F Tokyo
Business Hours: 12PM-8PM
Station: Tokyo Metro Chiyoda Line Shin-ochanomizu Station (Exit B5) - 2min walk
facebook: https://www.facebook.com/sportsbomber.tokyo
twitter(x): https://x.com/sports_bomber
instagram: https://www.instagram.com/sports_bomber/

BURTON TOKYO FLAGSHIP STORE
Address: 5-17-4 Jingumae Shibuya-ku Jingumae Taurus Tokyo
Business Hours: 11AM-7PM
Station: Tokyo Metro Chiyoda Line/Fukutoshin Line Meiji-jingumae<Harajuku>Station (Exit 4) - 5min walk
HP: https://www.burton.com/jp/ja/home
facebook: https://www.facebook.com/burtonjapan/

-OSAKA-
MURASAKI SPORTS UMEDA NU CHAYAMACHI STORE
Address: 10-12 Chaya Kita-ku NU Chayamachi 5F Osaka City Osaka
Business Hours: 11AM-9PM
Station: Hankyu Kobe Line/Takarazuka Line/Kyoto Main Line Osaka-Umeda Station (Chayamachiguchi Exit) - 4min walk
HP: https://shop.murasaki.jp/detail/724/
facebook: https://www.facebook.com/murasaki.sports
twitter(x): https://x.com/murasaki_jp
instagram: https://www.instagram.com/murasakisports_umeda/

-KYOTO-
MORISPO KYOTO STORE
Address: 21-1 Yokooji Shimomisujonomae-cho Fushimi-ku Kyoto City Kyoto
Business Hours: 11AM-10PM
Station: Keihan Main Line Chushojima Station (North Exit) - 18min walk
HP: https://morispo.co.jp/morispo/morisposhop_kyototen/
facebook: https://www.facebook.com/morispo.kyoto
twitter(x): https://x.com/morispo_group
instagram: https://www.instagram.com/morispo.kyoto/

Uh… if you’re not Japanese sized, then whatever is baggy on them might be tight fitting on you?