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Durable. Precise. Comfortable.

engineered for high-performers. sleek under suits, solid in the gym. holds shape, holds standard.

The Best Fabric Ever Used in Underwear.

Stark uses only the best fabric known for underwear, Micro Lenzing Modal from beechtree wood certified by OEKO-TEX®, insanely comfortable, soft, breathable, and holds shape wash after wash.

Cotton turns rough.
Bamboo sags out.
Nylon traps heat.

  • Briefs vs Trunks: Same Fabric. Different Fit.

    both cuts use the same premium micro Lenzing™ modal, soft, breathable, and built to hold shape. Black waistband, tonal stark logo, clean construction.

  • STARK Boxer Briefs

    A closer fit through the leg, not too tight, just supportive. cut slightly longer than standard to prevent chafing on the inner thigh. Stays in place under slim jeans, trousers, or during long days on your feet or in the gym. Solid pick if you don’t like fabric moving around or bunching under clothes.

  • STARK Boxer Trunks

    A bit more room through the thigh, with a relaxed feel where it matters. The fabric holds, but the fit gives, your balls aren’t squashed, and nothing rides up. Ideal for gym sessions, long-haul flights, or days you want zero restriction. If briefs ever felt a little too snug, these are for you.