Stretch Cotton Trunk Underwear Practice Jerseys Inspired by our original designs

Inspired by our original designs

both on and off the field

giving the appearance that you might have a jock on underneath

This isn’t just a jockstrap—it’s a piece of BIKE history

The BIKE® Short Sleeve Practice Jersey is a vintage-inspired mesh jersey that combines throwback football vibes with a modern edge

Stretch Cotton Trunk Underwear Practice Jerseys Inspired by our original designsOur Stretch Cotton Trunk is crafted from a premium cotton spandex blend that delivers soft, breathable comfort with a body hugging fit. The contoured pouch offers subtle support and definition, while the 3" inseam keeps things in place, perfect under shorts or everyday wear. The Trunk Underwear will stay put through all your movements. Finished with our classic BIKE logo waistband for a clean, athletic look. DETAILS Fabric: 95% Combed Cotton 5%