The Speedlite Gloves are lightweight and versatile trail running gloves. Made with a double layer fabric, the outside layer made of elastane offers a great fit while the inner  microfleece guarantees a soft touch and breathability. The result of this combination is a warm and comfortable running glove. They also feature a silicone design for an improved grip. Touch-screen compatible.

Lightweight waterproof gloves for mountaineering and winter activities. Designed for those seeking a waterproof glove that combines high protection against water and abrasion with maximum grip and hand feel. It features a super adhesive leather palm with reinforced areas for use with ropes. The HDry® membrane (19k/30k) and its patented lamination technology bond all the layers of the glove, preventing water from entering while providing excellent breathability and finger dexterity. Combined with its ultra-resistant Nylon exterior fabric, this guarantees exceptional durability.

A high-performance glove for FAST&LIGHT alpine activities.

FAST&LIGHT - 103g (S)

Seamless boxer designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex that guarantees a perfect fit, creating an ideal first layer garment in direct contact with the skin. No movement or chafing. A basic that provides comfort and performance in a minimum weight.

FAST&LIGHT - 54g (S/M)

Seamless boxer designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex that guarantees a perfect fit, creating an ideal first layer garment in direct contact with the skin. No movement or chafing. A basic that provides comfort and performance in a minimum weight.

FAST&LIGHT - 54g (S/M)

Seamless boxer designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex that guarantees a perfect fit, creating an ideal first layer garment in direct contact with the skin. No movement or chafing. A basic that provides comfort and performance in a minimum weight.

FAST&LIGHT - 54g (S/M)

Seamless boxer designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex that guarantees a perfect fit, creating an ideal first layer garment in direct contact with the skin. No movement or chafing. A basic that provides comfort and performance in a minimum weight.

FAST&LIGHT - 54g (S/M)

The Warmfit 100 Merino Wool boxers are high-performance underwear. Made entirely of pure merino wool, it offers total comfort as well as excellent performance. Extra soft touch in contact with the skin, for daily use on and off the mountain. An ideal complement to protect the most delicate area on the coldest days.

FAST&LIGHT - 94g (S/M)

The Warmfit 100 Merino Wool boxers are high-performance underwear. Made entirely of pure merino wool, it offers total comfort as well as excellent performance. Extra soft touch in contact with the skin, for daily use on and off the mountain. An ideal complement to protect the most delicate area on the coldest days.

FAST&LIGHT - 94g (S/M)

Seamless briefs designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex creating an ideal first layer garment in direct contact with the skin. Designed with microtensors on legs and back that guarantee a perfect fit and no movements. A basic that provides comfort and performance in a minimum weight.  

FAST&LIGHT - 37g (S/M)

Seamless briefs designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex creating an ideal first layer garment in direct contact with the skin. Designed with microtensors on legs and back that guarantee a perfect fit and no movements. A basic that provides comfort and performance in a minimum weight.  

FAST&LIGHT - 37g (S/M)

Seamless briefs designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex that guarantees a perfect fit, creating an ideal first layer garment in direct contact with the skin. No movement or chafing. A basic that provides comfort and performance in a minimum weight.

FAST&LIGHT - 37g (S/M)

Seamless briefs designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex that guarantees a perfect fit, creating an ideal first layer garment in direct contact with the skin. No movement or chafing. A basic that provides comfort and performance in a minimum weight.

FAST&LIGHT - 37g (S/M)

Seamless briefs designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex that guarantees a perfect fit, creating an ideal first layer garment in direct contact with the skin. No movement or chafing. A basic that provides comfort and performance in a minimum weight.

FAST&LIGHT - 37g (S/M)

Seamless briefs designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex that guarantees a perfect fit, creating an ideal first layer garment in direct contact with the skin. No movement or chafing. A basic that provides comfort and performance in a minimum weight.

FAST&LIGHT - 37g (S/M)

Seamless boxer designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex creating an ideal first layer garment in direct contact with the skin. Designed with microtensors on legs and back that guarantee a perfect fit and no movements. A basic that provides comfort and performance in a minimum weight.  

FAST&LIGHT - 54g (S/M)

Seamless boxer designed for high intensity sport activities. Thanks to its composition of Polypropylene Dryarn®, it provides high breathability and quick dry, together with spandex creating an ideal first layer garment in direct contact with the skin. Designed with microtensors on legs and back that guarantee a perfect fit and no movements. A basic that provides comfort and performance in a minimum weight.  

FAST&LIGHT - 54g (S/M)

300 ml flexible bottle (10 fl oz.), ideal for those seeking a lightweight and compact hydration option. Its design and size make it perfect for carrying in hydration belts, fitting comfortably and allowing quick access to drinks during activity. The optimized nozzle size enables easy, fast flow, while the bottle compresses progressively as it empties, reducing volume, bounce, and discomfort while on the move. Made from high-quality, BPA- and PVC-free materials, it’s safe and environmentally friendly. This soft flask is the perfect companion to keep you well-hydrated on short to mid-distance outings, ensuring each sip is efficient and comfortable.

FAST&LIGHT - 26g

Ultralight and functional arm sleeves that offer insulation, protection and a high breathability. Made of Polypropylene Dryarn and spandex, the OS2O Arm Sleeves provide high elasticity in both directions and a quick dry function even under high humidity environments. They also have good durability and resistance from scratches. A basic item providing safety and high performance in a minimum weight.

FAST&LIGHT - 24g (S/M) 

Light high capacity trail running belt ideal for short and medium distance races or as an accesory to a vest in long distance ones. Its seamless highly stretchable fabric provides a perfect fit while carrying a mobile device, gels, bars, gloves, poles (front or back), a 500 ml soft flask and a waterproof jacket in a no-rebound compact way.

FAST&LIGHT - 61g

Light high capacity trail running belt ideal for short and medium distance races or as an accesory to a vest in long distance ones. Its seamless highly stretchable fabric provides a perfect fit while carrying a mobile device, gels, bars, gloves, poles (front or back), a 500 ml soft flask and a waterproof jacket in a no-rebound compact way.

FAST&LIGHT - 61g

Waterproofing for washing machine. This product adds Water Repellency to our breathable waterproof clothing. If the outer fabric of our waterproof garments absorbs water, the garment can lose up to 70% breathability. It is quick and easy to apply in the washing machine and its highly Durable Water Repellency (DWR) coating develops during air drying.

Tenacious Tape Gear Aid by McNett is an all-purpose, transparent weatherproof repair tape that fixes rips, holes, taping and gashes in almost all kinds of outdoor gear. It stays put no matter what climate conditions appear and leaves no sticky mess. It is easy to apply and care. Tenacious Tape is the best option to repair O2 Waterproof Membrane and eVent fabrics in OS2O’s products.

The only technical cleaner specifically designed for hydrophobic and regular down which cleans effectively, while restoring water repellency and maintaining fill power and insulation.

High performance detergent for the OS2O waterproof membrane collection. It cleans and revitalizes breathability and water repellent properties. This product prolongs life to more technical garments.