Day 1 Collective Performance Muscle Tank

Train Hard. Move Freely. Stay Ready.

The Day 1 Collective Performance Muscle Tank is built for those who put in the work before the world is watching. Crafted from a premium cotton and Sorona® blend, this sleeveless tank delivers exceptional softness, natural stretch, and lasting durability, making it the perfect choice for intense training sessions, recovery days, or everyday wear.

Its relaxed fit offers unrestricted movement, while the breathable fabric keeps you comfortable from warm-ups to weekend errands. Whether you're in the gym, on the track, or living an active lifestyle, this tank is designed to perform as hard as you do.

Why You'll Love It

• Premium cotton blend with innovative Sorona® performance fibers
• Soft, breathable fabric with natural stretch for all-day comfort
• Relaxed unisex fit for unrestricted movement
• Lightweight feel with premium durability
• Sleeveless design for maximum mobility during training
• Perfect for workouts, running, lifting, sports, and casual everyday wear
• Designed to pair effortlessly with Day 1 shorts, joggers, and performance bottoms

Product Details

• Fit: Unisex Loose Fit
• Fabric: 73.31% Cotton, 26.69% Sorona®
• Fabric Weight: 7.1 oz/yd² (240 g/m²)
• Thickness: Moderate
• Print Area: 40 × 52 cm
• Season: Spring, Summer, Autumn & Winter

Care Instructions

• Machine wash cold (30°C / Gentle Cycle)
• Do not bleach
• Tumble dry low
• Iron on low heat (avoid printed areas)
• Do not dry clean

Sustainable Performance

Every tank includes the official Sorona® hang tag, showcasing authentic, eco-friendly performance technology. Sorona® fibers are engineered to provide exceptional softness, shape retention, and long-lasting comfort while helping reduce environmental impact.

Day 1 isn't just a brand—it's a mindset. Show up. Put in the work. Stay committed.