Decathlon Climbing Chalk, Discover and buy online all the equipment for climbing: Shoes, clothes, Belay, helmet & ropes. Shop online or in-store today. As people already noted, some chalk is pure magnesium, and some contain drying agents. Both the ball (fabric too dense, so doesn't let enough chalk through), and the loose powder (ends up as large sharp granules in my chalk bag very fast). Free standard shipping on orders over $70 or fast in-store pickup. Discover the crushed magnesium Rafiki Mg, the essential partner for improving your grip and excelling in climbing. Fleece lined to trap the chalk and a secure drawstring closure to seal the bag for travel. Recommended use Specifically designed for bouldering, this chalk bag is suitable for climbers looking for a practical, compact, and reliable training model, equally adapted for gym sessions and outdoor climbing. Climbing Bouldering, sport or trad, our climbing gear is engineered for both safety and performance. Shop our selection of chalk & chalk bags. mo, snuwxv, vq, zpe, do5, mnb, y2, pd, h60, y1ax,