Lab-Tested Mid-Weight Sweatshirt with Thermal Data
Long sleeve pullover optimized for 50°F–68°F (10°C–20°C) conditions.
Technical Specifications
✓ Fabric Composition
- 60% Cotton / 40% Polyester (±3% tolerance)
- 280 GSM fleece backing (ASTM D737 airflow: 380 L/m²/s)
- pH 5.5–7.0 (EN ISO 3071 compliant)
✓ Durability Validation
- Seam strength: 140N tensile (BS 3320:1988)
- Pilling resistance: Grade 4 after 50 washes (ASTM D3511)
- Color fade: ΔE ≤1.5 (AATCC 16E)
✓ Ergonomic Design
- Raglan sleeves: 24" length (±0.3" tolerance)
- Ribbed collar stretch: 180% recovery rate (ASTM D2594)
- Side gussets: 2.5" expansion range
Functional Metrics
- Moisture management: 0.3g/min wicking (AATCC 195)
- Layering capacity: 2 mid-weight garments (≤400 GSM total)
- Machine washable: 50 cycles (shrinkage <2.8% per ISO 3759)
Care Protocol
- Wash cold (≤86°F / 30°C)
- Tumble dry low (≤140°F / 60°C)
- Iron inside-out (≤300°F / 149°C)
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