From Running Performance to Plantar Fasciitis Concerns, Patented Compression Zone Technology Addresses Them: US-Based High-Tech Socks "OS1st" Appear at NEWoMan Shinjuku POP-UP STORE!

US-based high-performance sock and support brand [OS1st] will open a POP-UP SHOP at NEWoMan Shinjuku until Monday, July 13, 2026.

Experience Comfortable Running Without Sweat with See-Through Ultra-Thin Socks!

A new series with stripes, designed to expand your coordination options, from the "Shin Air Socks," pursuing the world's thinnest and lightest coolness, will be available before anywhere else at the NEWoMan Shinjuku POP UP STORE!

[Shin Air Socks] support a dry and comfortable interior of your shoes even during harsh summer runs with "overwhelming breathability, as if your feet are breathing."

This time, the highly anticipated "new color with stripes" has been added to the series, developed with the goal of creating the world's thinnest, lightest, and coolest running socks. We will unveil this stylish new product, which further expands coordination possibilities with running wear and shoes, before anywhere else.

Blue Shift Green Burst

Ultra Violet Light Beam

OS1st's Powerful High-Performance Lineup Supports Your Feet This Summer

In addition to the new Shin Air Socks colors, switch them out according to the scene. We are also introducing OS1st's flagship summer socks!

Wicked Comfort Socks

◇ Overwhelming Sweat Absorption and Quick Drying x Cushioning With proprietary moisture control technology, sweat inside shoes is quickly removed, maintaining a consistently dry environment. In addition to excellent sweat absorption and quick drying, it combines luxurious cushioning to relieve foot fatigue, making it a high-performance model that provides comfortable wear even during long summer training sessions.

Bunion Relief Socks

◇ Bunions Support x Friction Reduction Focuses on the "base of the big toe area prone to rubbing with shoes" due to bunions. These are compression socks developed to reduce friction. They gently protect the affected area and feature moderate arch support in the arch area. They balance the sole of the foot for stable footing during exercise and support comfortable strides even during long runs.

FS4 Plantar Fasciitis Socks

◇ For Those Concerned About Strain on the Soles of Their Feet Medical-Grade Plantar Fasciitis Support

A high-performance sock using proprietary patented technology, developed to support runners and those concerned about strain on the soles of their feet from long hours of standing work. By lifting the arch of the foot to its ideal position, it reduces impact during landing and alleviates fatigue in the feet from long-distance running and intense training.

POP UP STORE Details

Period June 24, 2026 (Wed) - July 13, 2026 (Mon)

Location NEWoMan Shinjuku 2F EKINAKA EVENT SPACE

*This is a joint pop-up store featuring three brands: Healthy Back Bag (bags), Archies (sandals), and OS1st (compression socks).

About OS1st

A US-based high-performance sock and support brand

A US-based high-performance compression sock and support brand based on medical technology. Patented graduated compression technology supports active foot troubles and fatigue for runners and others. Products pursuing "thinness, lightness, and functionality" are loved by a wide range of users, from sports scenes to daily care.

▼OS1st Japan Official Store: https://os1st.jp/

Re-vision Inc.

Contact: Matsunaga / Tasaki Mail:press@re-vision.co.jp 5-38-3 Minamicho, Fuchu-shi, Tokyo 183-0026 TEL:042-400-4957