Lifestyle, full-body shot, Western European preteen male model with chestnut brown curly hair styled elegantly, back view, head turned left, arms down, right leg forward, slim build, soft facial contours, natural childlike proportions. Wearing (beige crewneck sweatshirt, relaxed fit), (classic blue jeans, straight fit), (white sneakers, casual style), (sand-colored canvas backpack, worn on both shoulders). Background: a vast and endless desert with golden dunes stretching to the horizon, smooth curves shaped by the wind, sun casting a warm, soft glow creating gentle shadows, sky in golden yellows and soft peaches near the horizon, sparse vegetation like small shrubs and hardy cacti dotting the landscape. The glowing backdrop enhances the richness of the apparel, evoking a sense of adventure and exploration.