Undefeated La Brea is noted for its selection of exclusive and rare athletic apparel and shoes. Around 20% of reviewers praise the "upscale," "authentic," and "dope" merchandise, with some finding specific sought-after items and appreciating the curated inventory. A significant concern, highlighted by over 65% of reviews, is severely poor customer service. Patrons frequently describe "rude employees," "lots of attitude," and "unprofessional behavior," including staff ignoring customers, being dismissive, or refusing help. Online experiences are also problematic, with roughly 15% of feedback detailing issues such as botched raffles, significant shipping delays, order cancellations without notification, and difficulties with refunds. Some report merchandise not being sent or refusal of foreign credit cards. Store operations also draw criticism, with approximately 10% of reviewers noting inconsistent opening hours and early closures despite posted schedules, leading to wasted trips. While some find the in-store staff helpful, these positive experiences are less common.