【26SS Cool Flow Collection】Chill ST Launches Brand's Lightest & Most Breathable Streetwear Pajamas on June 15
Streetwear pajama brand Chill ST launches its new 'Cool Flow' collection on June 15, 2026—the lightest and most breathable series in brand history, designed for ultimate summer comfort.
📋 Article Processing Timeline
- 📰 Published: June 12, 2026 at 22:14
- 🔍 Collected: June 12, 2026 at 13:21
- 🤖 AI Analyzed: June 13, 2026 at 08:38 (19h 17m after Collected)
Oasis Lifestyle Group Co., Ltd. (headquartered in Chiyoda-ku, Tokyo), the company behind the streetwear pajama brand 'Chill ST,' announces the launch of its 26SS Cool Flow Collection on Monday, June 15. 'Cool Flow' is a new series engineered to maximize summer comfort, representing the lightest and most breathable lineup in the brand's history.
Chill ST, operating under the concept of 'pajamas you can wear outside,' redefines modern urban lifestyles by blurring the boundaries between home and streetwear. This new 'Cool Flow' series elevates summer comfort to the extreme.
The collection features an unprecedented lightweight design—the lightest in the brand’s history—combined with ultra-breathable fabric that instantly dissipates heat and moisture. It also incorporates a ripstop construction for enhanced durability, making it suitable for sports and active daily wear. The textured inner fabric reduces sweat cling, ensuring a fresh and comfortable experience even during hot weather.
Design-wise, the series highlights the brand’s signature lime color on embroidered logos, pull tabs, and drawstrings. Blending streetwear aesthetics with athletic functionality, these pajamas are suitable not only for lounging but also for sports and outdoor activities.
The lineup includes the 'Cool Flow Drawstring Tee' in three colors—Black, Navy, and White—and the 'Cool Flow Shorts' in two colors—Black and Navy. Both items are available in sizes M, L, and XL.
Moving forward, Chill ST will continue to release innovative apparel that seamlessly integrates home comfort with street-ready style, enhancing the smart and relaxed lifestyles of today’s busy individuals.
■26SS NEW Collection 'Cool Flow'
Product Name: Cool Flow Drawstring Tee
Colors: Black / Navy / White
Sizes: M / L / XL
Price: ¥12,100 (tax included)
Product Name: Cool Flow Shorts
Colors: Black / Navy
Sizes: M / L / XL
Price: ¥12,100 (tax included)
■About Chill ST
Chill ST is an apparel brand founded on the concept of 'pajamas you can wear outside.' Born to redefine modern lifestyles, it bridges the gap between indoor comfort and outdoor fashion. The brand offers pajamas that combine exceptional comfort with a stylish, street-appropriate appearance.
Official Website: https://chill-st.com/
Official Instagram: https://www.instagram.com/chillst_official
■Company Overview
Company Name: Oasis Lifestyle Group Co., Ltd.
Representative: Yuzo Sekiya
Address: Harehana Building 3F, 3-5-17 Kojimachi, Chiyoda-ku, Tokyo 102-0083
Chill ST, operating under the concept of 'pajamas you can wear outside,' redefines modern urban lifestyles by blurring the boundaries between home and streetwear. This new 'Cool Flow' series elevates summer comfort to the extreme.
The collection features an unprecedented lightweight design—the lightest in the brand’s history—combined with ultra-breathable fabric that instantly dissipates heat and moisture. It also incorporates a ripstop construction for enhanced durability, making it suitable for sports and active daily wear. The textured inner fabric reduces sweat cling, ensuring a fresh and comfortable experience even during hot weather.
Design-wise, the series highlights the brand’s signature lime color on embroidered logos, pull tabs, and drawstrings. Blending streetwear aesthetics with athletic functionality, these pajamas are suitable not only for lounging but also for sports and outdoor activities.
The lineup includes the 'Cool Flow Drawstring Tee' in three colors—Black, Navy, and White—and the 'Cool Flow Shorts' in two colors—Black and Navy. Both items are available in sizes M, L, and XL.
Moving forward, Chill ST will continue to release innovative apparel that seamlessly integrates home comfort with street-ready style, enhancing the smart and relaxed lifestyles of today’s busy individuals.
■26SS NEW Collection 'Cool Flow'
Product Name: Cool Flow Drawstring Tee
Colors: Black / Navy / White
Sizes: M / L / XL
Price: ¥12,100 (tax included)
Product Name: Cool Flow Shorts
Colors: Black / Navy
Sizes: M / L / XL
Price: ¥12,100 (tax included)
■About Chill ST
Chill ST is an apparel brand founded on the concept of 'pajamas you can wear outside.' Born to redefine modern lifestyles, it bridges the gap between indoor comfort and outdoor fashion. The brand offers pajamas that combine exceptional comfort with a stylish, street-appropriate appearance.
Official Website: https://chill-st.com/
Official Instagram: https://www.instagram.com/chillst_official
■Company Overview
Company Name: Oasis Lifestyle Group Co., Ltd.
Representative: Yuzo Sekiya
Address: Harehana Building 3F, 3-5-17 Kojimachi, Chiyoda-ku, Tokyo 102-0083
FAQ
When will the Cool Flow collection be released?
The Cool Flow collection launches on June 15, 2026, nationwide via official stores and online.
What fabric is used in Cool Flow?
Ultra-lightweight, highly breathable fabric with ripstop construction for durability.
Where can I buy it?
Available on the official website, Instagram Shop, and select lifestyle boutiques.
What sizes are available?
Sizes M, L, and XL are available for a comfortable fit.
Is it machine washable?
Yes, use gentle cycle with a laundry bag. Avoid tumble drying.