Both offer peak comfort and support, but the fabrics are different. The Solucell™ Boxer Brief is built from Supima® cotton with Solucell™ technology for a lightweight, ultra-soft hand feel. The LYCRA® ADAPTIV Briefs use patented LYCRA® ADAPTIV fabric that dynamically responds to movement, delivering adaptive stretch and shape retention for high-output training.

Solucell™ is a specialized process applied to Supima® cotton fibers that creates a 3-dimensional hollow channel system inside the yarn. Those channels improve breathability and moisture management, elevating the performance of every garment. Blended with spandex, the result is a soft cotton feel with 4-way stretch and quick-drying function.

Both. The boxer brief is crafted for versatility in everyday activities, from casual outings to light outdoor adventures. A middle dart creates an ergonomic fit, 4-way stretch moves with the body, and an anti-chafe internal bonded seam keeps the brief comfortable whether you're training, commuting, or moving through a long day.

The Essential Crew Socks come in two sizes: S/M fits men's shoe size 7 to 10, and L/XL fits men's shoe size 10.5 and up. A Y-Heel stitch delivers a superior fit that locks around the heel, and a ribbed body provides strategically placed breathability across the foot.

The patented LYCRA® ADAPTIV fabric responds dynamically to movement, delivering adaptive stretch and shape retention rep after rep. The 3-dimensional hollow channel construction maximizes airflow to keep the body cool and dry, and the briefs feature a snug, form-fitting cut that layers under shorts or tights without adding bulk.

Two construction choices handle it. An anti-chafe internal bonded seam replaces traditional stitching at high-friction points, eliminating rub against the skin. The Supima® cotton with Solucell™ technology adds a smooth, ultra-soft hand feel and wicks moisture away, so sweat doesn't build up and create friction during long wear or training sessions.

For longevity, turn the product inside out before washing. Machine wash cold with like colors, and use a clear detergent without synthetic dyes. Do not iron. These steps protect the Solucell™, LYCRA® ADAPTIV, and cotton-blend constructions so the stretch, softness, and structural details hold up wash after wash.

The Essential Crew Socks ship as a pack of three pairs, available in colorways including Black, White, Crimson, and Forest Green, with and without the "ASRV" logo detail. The sweat-wicking fabric, Y-Heel construction, and ribbed breathable body are consistent across every pair in the pack.