Collection: Swimwear & Activewear

Dive into summer-ready style with The Underwear Store’s Swimwear & Activewear Collection, your go-to lineup for high-performance swim trunks, stylish swim briefs, sleek swim bikinis, and versatile activewear like men’s singlets and gym essentials. Whether you’re hitting the beach, poolside, or crushing workouts, our collection delivers everything you need—from quick-dry men’s swim trunks that offer comfort and coverage, to bold swim bikinis and trims for a daring poolside statement, as well as supportive swim briefs designed for freedom of movement. Our activewear staples, including breathable men’s singlets, keep you cool and confident from gym sessions to outdoor runs. Crafted with premium materials that ensure durability, stretch, and moisture-wicking performance, this collection is all about function fused with style. Shop today and discover why guys across the U.S. trust The Underwear Store to upgrade their swimwear and active gear with on-trend, high-quality pieces that boost both comfort and confidence.