Membranes & Tech Materials

OYUKI products are powered by world-class technologies and natural fibers that deliver warmth, protection, and comfort in the harshest conditions. Every layer has a purpose — to help you ride deeper, warmer, and longer.

Waterproof Membranes

  • GORE-TEX WARM – Guaranteed waterproof, windproof, and breathable with a focus on warmth. Seen in Sencho, Arashi, Chika, Yotei, Icho, Sugi and Kids Tamashii.

  • GORE-TEX GRIP – High dexterity and control without sacrificing weatherproofing. Used in Tamashii.

  • 3L Seam-Sealed GORE-TEX – Rugged, stormproof construction with taped seams. Featured in Rishiri and outerwear shells.

Insulation

  • PrimaLoft® Gold & Eco Grip Control – Lightweight warmth with mapped placement in palms for grip and dexterity.

  • Allied RENU® Recycled Down – Premium recycled down insulation in Ezo Mitts and Tōya Down Insulators for loft and warmth with less impact.

  • Polartec® Alpha® – Active insulation used in the Kumo Hoodie for breathability during high-output use.

  • Polartec® Power Air™ – Advanced fleece technology that boosts warmth-to-weight efficiency in the Sora Hoodie.

  • Mapped Fleece Linings – Built into Moiwa and Kiroro outerwear for thermoregulation and chairlift warmth.

Linings & Base Layer Fabrics

  • Calamai Wool – Quick-drying, moisture-wicking wool linings in Sencho, Arashi, Chika and Tamashii.

  • Polartec® High Loft Fleece – Plush, heat-retentive linings in Rishiri and Ezo.

  • 300g Fleece – Soft, breathable warmth in Yotei, Shaka, Icho, Sugi and kids’ gloves.

  • Hitatech™ – OYUKI’s synthetic base layer fabric: warm, moisture-wicking, UPF 50+, four-way stretch, and HeiQ anti-odor tech.

  • Merino Wool (Woolmark® Certified) – Natural fiber base layers with superior temperature regulation, moisture management, and odor resistance.

Technical Fabrics

  • NetPlus® Nylon – Made from 100% recycled fishing nets. Used across gloves, down insulators and all outerwear shells.

  • Polartec® Windbloc® – Windproof, breathable protection in the Kaze Touring Glove.

  • Recycled Ripstop & Heavy-Duty Nylon – Hard-wearing outers that balance durability with weight.

  • Kevlar® Reinforcements – Found on outerwear cuffs for abrasion resistance in high-wear zones.

Anti-Odor Innovation

  • HeiQ Fresh – Built into Hitatech™ base layers to reduce washing and keep garments fresher for longer.

  • Natural Merino Wool – Locks away odor molecules, offering extended freshness without treatments.


From stormproof GORE-TEX shells to HeiQ-treated base layers and recycled down insulation, OYUKI products are engineered to keep you comfortable from the skin track to the lodge.