Description
SPI Crystal Collection – Thermal Long Johns with 0.45 Tog Rating
Experience ultimate winter comfort with our Heavy Brushed Thermal Long Johns, designed for extreme cold weather. Part of the premium Crystal Collection, these long johns incorporate advanced Heat Trap Technology to provide exceptional insulation and wearability.
🔥 KEY FEATURES & BENEFITS 🔥
- 0.45 TOG RATING: Offers nearly double the cold resistance of standard thermal underwear, making it ideal for freezing temperatures, outdoor work, and winter sports.
- HEAVY BRUSHED INTERIOR: The inside is specially brushed to create a soft, plush layer that traps body heat for extra warmth and superior comfort against your skin.
- EXTRA THICK & BULKY: Made with high-quality PC yarn for a durable, substantial feel without sacrificing mobility.
- DESIGNED FOR COMFORT: Engineered for optimum comfort and all-day wearability, whether you’re at work, home, or on an adventure.
✅ WHAT YOU WILL RECEIVE ✅
1 x SPI Crystal Collection Thermal Long Johns (Top not included).
Please Note: Due to normal fluctuations in the manufacturing process, the Tog rating may have a slight variance. This does not affect the garment’s excellent thermal performance.
Designed for Optimum Comfort & Wearability
Part of the Crystal Collection by UK Garments





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