NEW email:
Workshop will be closed from November 7 to November 22
Currently manufacturing lead time: about 2 weeks + workshop closed time 
Add 5 to 15 days for shipping duration according to your localization. Running equipments are in stock and shipped within 3 days.
日本国内送料 : 1500 JPY
Pandemic don't affect our production but may affect transport duration according to your country: info
 For USA or other delivery suspended countries by JapanPost, I ship now with DHL Worldwide Express, the added fee is covered by me but a minimum amount order is requested for packs with stays (Frame set option): 30 000 JPY in this case, shipping fee not included.
A tracking number will be provided when shipped. Door to door... From 1 Working day, up to 5 days worldwide!
For Australia, an adding fee may be necessary for some locations, please contact for a quote.
To have a quote included shipping fee, please select a pack and option via PayPal menu and see your cart. Weight estimations are indicate for each packs and each options on site.
Only site options are available 
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KS ultralight gear 当サイトへのご訪問ありがとうございます。登山、ハイキング用の

Bienvenue chez KS, l'atelier de matériel ultra-léger personnalisé, sacs à dos ultra-légers et d'accessoires pour la randonnée, l'alpinisme, conçus au Japon par un Français!

Welcome to KS ultralight gear , the workshop of custom ultralight backpacks and accessory for hiking, climbing. Designed and made in Japan (except specified).