Layering

Discover ultimate comfort, innovation and performance with SIMMS Technical Underwear, including our flagship products such as the Heavyweight Baselayer Bottom Black, the Thermal 1/4 Zip Top Black, and the PATAGONIA Men's Capilene Thermal. Designed to accompany you on all your outdoor adventures, our underwear combines quality, durability and advanced technology for an unrivalled experience. Whether you're fishing, hiking, or enjoying other outdoor activities, stay dry, comfortable and performing with SIMMS. Explore our range of technical underwear and get ready to experience the great outdoors. #SIMMS #TechnicalUnderwear

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