3mm Skin Topper

Whether diving underwater, lounging on a boat , or hanging out at the beach, these heat generating FIR lined Toppers are sure to do the job in retaining body heat. The soft and stretchy “Skin” material is designed to be easy to put on and take off. The inside is lined with a far-infrared heat-retention (FIR) layer, while the outer skin provides excellent wind-breaking protection. Suitible for use in a wide range of in-water diving activities, as well as out of water in warmer climates. Can be outfitted with 3mm Skin Long Pants

  • Just Fit and Comfortable Made-to-Order

    By measuring each part of the body, it will be finished in the just fit wet suit. Detachable, warmth and comfortable diving will be realized

  • Extended Velcro® Comfort Neck System
    Comfort Neck System

    Extended Velcro® fastener reaches right to the bottom of the throat. If you have a large or a slim neck, you can adjust a comfortably snug fit that properly keeps out water.

  • Excellent Suit Entry and Exit Flexibility Zipper
    Long zipper

    A 20 cm long (4 cm longer than average) fastener at the wrists provides ample sleeve opening. Generous 16 cm zips also ease entry at the ankles. With the provided strap, you can pull the back zip up and down using one hand. This strap has also greatly improved fastener durability.

Color Variations

Black × White
Black × M Black
GW-6634 3mm Skin Topper Men's

3mm neoprene 
Outer: soft skin×Inospan jersey
inner: FIR nap (Far-InfraRed lining)
With 2 arm patches

Optional Parts
GA-5020 GULL Patche GA-5020  GULL Patche



Size M ML L XL
Height (cm) 160~165 165~170 170~175 175~180
Chest(cm) 87~92 90~95 93~98 96~101
Waist(cm) 70~75 73~78 76~81 79~84
Hips(cm) 83~88 87~92 91~96 95~100
Inseam(cm) 66~68 68~70 70~72 72~74
Sleeve(cm) 70~73 72~75 74~77 76~79
Thigh(cm) 50~53 52~55 54~57 56~59
Neck(cm) 33~35 35~37 37~39 39~41
Weight(kg) 54~59 59~64 64~69 69~76


The 3mm and 2mm Skin Toppers are provided with a removable patch on the left upper arm. Other separately sold arm patches are also available, so you can replace the original with others of your liking.