- 450gsm ultra-heavyweight Japanese brushed fleece containing Ochiwata recycled cotton
- Loopwheel circular knit construction with zero side seams for long-lasting shape retention
- Deep, rich Blue Graphite colorway (very dark navy) achieved through garment dyeing
- Sumptuously soft brushed interior pile created on vintage Japanese brushing machines
- Elasticated waistband with rare tubular knitted drawstring lace
- Traditional 1930s-inspired athletic fit with full leg room and tight elastic cuffs
- Double front welt pockets and single rear patch pocket with signature ribbing
- Pre-washed, dried, and steamed in Japan to guarantee zero shrinkage
- Made in Japan by a 3rd-generation family-owned factory
Uncompromising Japanese Loopwheel Knitting and the Spirit of Ganbaru
Every pair of Sunray Sportswear Pe'ahi Sweatpants is a testament to Ganbaru-the Japanese spirit of doing your best, pushing through adversity, and staying true to traditional craftsmanship. Produced in Japan by a small family-owned business with nearly a century of textile experience (a mill that once crafted uniforms for the Japanese Imperial Palace), these sweatpants are made using slow, analogue circular loopwheel knitting machines. By rotating at a tranquil pace without tension, the fabric retains a continuous tubular shape free of side seams, ensuring your sweatpants will never twist, warp, or lose their structure after washing.
Sustainable Ochiwata Recycled Cotton and Heritage Athletic Utility
In addition to traditional loopwheel production, Sunray incorporates Ochiwata-reclaimed short fluffy cotton fibers discarded during spinning-into their signature 450gsm heavy fleece. The result is an exceptionally durable, downy-soft fabric with an organic slubby texture that only improves with age. Inspired by the very first 1930s athletic "Sunday suits," the Pe'ahi features a generous leg cut, double front welt pockets, and a rear patch pocket finished with signature ribbing. The waistband utilizes a tubular knitted lace produced on one of only two remaining machines in the world. Pre-shrunk in Japan using a rigorous washing and steaming process, they deliver a perfect, locked-in fit from day one. Visit our physical lifestyle store in Lund, Sweden, to experience Sunray quality in person, or order online across Europe.
Explore our full collection of men's sweatpants and trousers or compare Japanese loopwheel precision with our world-class Sunray Sportswear collection at Hepcat Store.