Body Glove Red Cell 4/3mm Men’s Chest-Zip Fullsuit The Body Glove Red Cell 4/3mm Men’s Chest-Zip Fullsuit is a premium cold-water wetsuit built for surfers who want serious warmth, reduced flushing, and high-performance flexibility. Designed for cold surf sessions, the Red Cell uses infrared interior insulation to help retain heat so you can stay warmer and surf longer. This 4/3mm fullsuit features a secure chest-zip entry, micro-bead exterior seam seal, Evo-dry exterior material, Evoflex interior taping, and a minimal seam design for a strong balance of warmth, stretch, and comfort. Seamless underarm paneling supports paddle mobility, while second-generation Nano Tritec knee panels add durability in a high-wear area. Why It Works 4/3mm construction provides reliable warmth for cold-water surf and watersports sessions. Red Cell infrared interior insulation helps conserve body heat for longer, warmer sessions. Chest-zip entry helps reduce flushing and creates a more secure upper-body seal. Micro-bead exterior seam seal and Evoflex interior taping help improve warmth and durability. Seamless underarm paneling improves paddle mobility and reduces irritation. Second-generation Nano Tritec knee panels add durability in a high-wear zone. Perfect For The Red Cell 4/3mm Chest-Zip Fullsuit is ideal for surfers who need a high-performance cold-water wetsuit with added thermal retention, strong flexibility, and a secure chest-entry design. It is a great choice when you need more warmth than a 3/2mm suit but do not want to move into a hooded winter fullsuit. Features 4/3mm fullsuit construction Made for cold water: 51–58°F / 11–14°C Separating #8 zippered chest entry Red Cell infrared interior insulation Evo-dry exterior material Micro-bead exterior seam seal Evoflex interior taping Glide-skin interior neck seal Smooth-skin left shoulder trim Left shoulder cinch cord and lock Front and back integrated drain system Seamless underarm paneling Second-generation Nano Tritec knee panels Symmetric, fully articulated leg paneling Raw-edge wrist and ankle openings Minimal seam design Technical Details Brand: Body Glove Model: Red Cell 4/3mm Men’s Chest-Zip Fullsuit Color: Black Thickness: 4/3mm Entry System: Chest Zip Primary Use: Surfing and cold-water watersports Recommended Water Temperature: 51–58°F / 11–14°C Men’s Wetsuit Size Chart Use the chart below as a general fit guide. A wetsuit should feel snug when dry and loosen slightly once in the water. Size Height Weight Chest Waist XS 5'4"–5'6" 110–130 lbs 34–36 in 28–30 in S 5'6"–5'8" 130–150 lbs 36–38 in 29–31 in MS 5'7"–5'9" 145–165 lbs 38–40 in 30–32 in M 5'8"–5'10" 150–170 lbs 38–40 in 30–32 in MT 5'10"–6'1" 155–175 lbs 38–40 in 30–32 in ML 5'9"–5'11" 170–190 lbs 39–41 in 31–33 in LS 5'9"–5'11" 175–195 lbs 40–42 in 32–34 in L 5'10"–6'0" 180–200 lbs 40–42 in 32–34 in LT 6'0"–6'3" 185–205 lbs 40–42 in 32–34 in XLS 5'11"–6'1" 195–215 lbs 42–44 in 34–36 in XL 6'0"–6'2" 200–220 lbs 42–44 in 34–36 in 2XL 6'1"–6'4" 220–235 lbs 44–46 in 36–38 in Fit Tip: A cold-water chest-zip wetsuit should fit snugly through the torso, shoulders, neck, wrists, and ankles to help limit flushing. If you are between sizes, prioritize weight first for the best balance of warmth, comfort, and mobility. How It Compares Compared to a standard 4/3mm wetsuit, the Red Cell 4/3mm Chest-Zip Fullsuit adds infrared interior insulation and sealed construction details for improved heat retention. Compared to a hooded winter suit, it offers a lighter, non-hooded feel while still delivering strong cold-water warmth. Bottom Line: The Body Glove Red Cell 4/3mm Men’s Chest-Zip Fullsuit is a premium cold-water wetsuit built for surfers who want advanced heat retention, reduced flushing, durable construction, and performance-focused paddle mobility.