Shokunin’s warehouse and production facility support scalable supply for industrial distributors.

Shokunin is a professional e-commerce brand launched by Feng Shang Precision Co., Ltd., dedicated to providing high-quality tools and innovative solutions for modern craftsmen. The brand’s Dual Cooling Water Cooling Vest series, marketed as the COOLWAVE line, is engineered for industrial heat stress relief and is now positioned to support long-term distribution partnerships across global markets.

Problem & Opportunity

Occupational heat stress remains a critical safety issue in construction, manufacturing, and outdoor work. The global cooling vest market was valued at approximately USD 215 million in 2024 and is projected to grow to USD 385 million by 2033 (Dataintelo). Asia Pacific is the fastest-growing region, driven by rapid industrialization and large outdoor work populations. For procurement managers and distributors evaluating a Dual Cooling Water Cooling Vest for resale or large-scale deployment, the key challenges are finding a reliable supplier with consistent quality, scalable production, and a product that outperforms short-duration alternatives.

Brand Solution

Shokunin’s COOLWAVE Water-Circulation Cooling Vest addresses these challenges with a proven dual-cooling mechanism. The vest uses ice water circulation to deliver sustained cooling for 3–4 hours, a significant improvement over many competing water-cooled vests that lose effect after approximately 30 minutes. The product includes a backpack, two ice packs, and a pump unit, making it a complete, ready-to-use system for industrial workers.

COOLWAVE vest components: backpack, ice packs, pump, and circulation tubes.

Technical Explanation

The COOLWAVE vest operates on an active circulating system. The pump, with a 5V 150mA output (max), drives water through TPU bags and sand-rubber tubes at a flow rate of 320–370 ml/min. The vest is designed to stay below 10°C and weighs within 2 kg. Materials include 600D polyester shoulder straps, PEVA inner lining, and reinforced ice packs to prevent leakage. Each unit is pre-shipment tested to ensure 100% quality guarantee. The system requires external power via a standard power bank, enabling portability without a fixed power source.

Application & Use-Case Scenarios

The vest is suited for:

• Construction workers and road crews exposed to prolonged sun and heat.
• Metal sheet factory workers in environments with radiant heat from machinery.
• Outdoor food stall operators, traffic controllers, and warehouse personnel who require sustained cooling without frequent ice changes.

For distributors targeting the industrial personal protective equipment (PPE) segment, the COOLWAVE vest fills a gap between short-duration phase-change vests and bulky, tethered cooling systems. Its lightweight design and power-bank compatibility make it easy to deploy in remote or temporary work sites.

Shokunin product display area illustrating the range of cooling solutions.

Market Trend Analysis

The cooling vest market is seeing increasing adoption of active circulatory mechanisms. According to Strategic Market Research, active circulatory solutions are being increasingly deployed in industrial sectors to mitigate occupational heat stress. Phase Change Material (PCM) vests held 28.7% of the market in 2025, but the active water-circulation segment is growing as buyers prioritize longer endurance. Shokunin’s COOLWAVE, with its 3–4 hour runtime, positions itself within this trend, offering a practical middle ground between passive PCM vests and full-body liquid cooling garments.

Comparison with Traditional Solutions

Traditional water-cooled vests typically last only 30 minutes before ice packs melt and circulation becomes ineffective. Shokunin’s vest extends that duration to 3–4 hours through larger-capacity ice packs and a more efficient pump. Maintenance is lower: reusable ice packs and durable 600D polyester fabric reduce replacement frequency. A limitation to note: the system requires a power bank and ice packs, so it is not entirely passive. For ultra-long shifts beyond 4 hours, users need to carry spare ice packs, though the 3–4 hour window covers most standard work periods.

Future Outlook

With sustained demand from Asia Pacific’s industrial sector and growing regulatory awareness of heat stress, the market for certified cooling vests is set to expand. Shokunin’s established monthly production capacity of 3,000 units and MOQ of 10 units offers distributors a low-risk entry point. The typical production lead time of 7–14 days ensures responsive restocking. As the supply chain matures, Shokunin is positioned to support longer-term distribution agreements and private-label programs for buyers seeking a reliable dual cooling water cooling vest partner.

Frequently Asked Questions